RRB ALP Previous Year Paper - 2007

# RRB ALP Previous Year Paper - 2007

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## 120 Questions MCQ Test RRB ALP & Technician Exam (Group C ) - Mock Tests | RRB ALP Previous Year Paper - 2007

RRB ALP Previous Year Paper - 2007 for Railways 2022 is part of RRB ALP & Technician Exam (Group C ) - Mock Tests preparation. The RRB ALP Previous Year Paper - 2007 questions and answers have been prepared according to the Railways exam syllabus.The RRB ALP Previous Year Paper - 2007 MCQs are made for Railways 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for RRB ALP Previous Year Paper - 2007 below.
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RRB ALP Previous Year Paper - 2007 - Question 1

### In a school, ratio of boy students and girl students is 5 : 2. If the number of boy students is 450 more than the girl students, how many students are there in the school ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 1

Let the number of boy students in the school be 5x and that of girl-students is 2x.

Then, 5x – 2x = 450 ⇒ x = 150

∴ Number of total students = 5x + 2x = 7 × 150 = 1050

RRB ALP Previous Year Paper - 2007 - Question 2

### BFJ : R : : OAF : ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 2

B F J : R : : O A F : ?

⇒ (2 + 6 + 10) : 18 : : (15 + 1 + 6) : ? RRB ALP Previous Year Paper - 2007 - Question 3

### XPT : JHL : : BDL : ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 3

X P T : J H L : : B D L : ?

⇒ (24 + 16 + 20) : (10 + 8 + 12) : : (2 + 4 + 12) : ? RRB ALP Previous Year Paper - 2007 - Question 4

If 40% of 3/4 of 4/5 of some number is 48, what would be the value of 1 per cent of that number ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 4

Let the number be = x  ∴ 1 per cent of the number RRB ALP Previous Year Paper - 2007 - Question 5

2(–2)2 = ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 5

Expression = 2(–2)2 =

2(–2) × (–2) =

24 = 16

RRB ALP Previous Year Paper - 2007 - Question 6

Square of the sum of two positive numbers is 9. What would be the value of the sum of the cubes of these numbers ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 6

(Sum of two positive numbers)2 = 9 = 32

⇒ Sum of two positive numbers = 3 = (1 + 2)

∴ Sum of the cube of those numbers

= 13 + 23 = 1 + 8 = 9

RRB ALP Previous Year Paper - 2007 - Question 7

Who discovered the laws of planetary motion ?

RRB ALP Previous Year Paper - 2007 - Question 8

Potato belongs to which family ?

RRB ALP Previous Year Paper - 2007 - Question 9

In the battery of the car, the acid used is—

RRB ALP Previous Year Paper - 2007 - Question 10

Which of the following diseases is caused by virus ?

RRB ALP Previous Year Paper - 2007 - Question 11

Chromatographic technique is used for the following purposes—

RRB ALP Previous Year Paper - 2007 - Question 12

At simple interest, a principal becomes double in 16 years. How much will the principal become in 8 years ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 12

Let the sum of money = Rs. P

It becomes double in 16 years. Let the rate of simple annual interest be R%   RRB ALP Previous Year Paper - 2007 - Question 13

A trader allows 10% discount on marked price of an article and gets 20% profit. If the marked price of the article is Rs. 50, what is its cost price ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 13

Let the cost price of the article be = Rs. x

Then, the sale price of the article Marked price of the article = Rs. 50 As per question RRB ALP Previous Year Paper - 2007 - Question 14

Find the least number which when divided by 4, 12 and 16 leaves remainder 3 in each case, but it is perfectly divisible by 7.

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 14

L. C. M. of 4, 12, 16 = 48

∴ 48 × 1 + 3 = 51, Not divisible by 7

and 48 × 2 + 3 = 99,

Not divisible by 7 but, 48 × 3 + 3 = 147, Divisible 7

∴ Lowest multiple of 7 = 147

RRB ALP Previous Year Paper - 2007 - Question 15

At what rate of simple interest, will a sum of money become 4 times in 15 years ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 15

Let simple annual interest be

= R% Then, as per question RRB ALP Previous Year Paper - 2007 - Question 16

A train 130 metres, running at a speed of 45 km/hr, crosses a bridge in 30 seconds. What is the length of the bridge ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 16

Let the length of the bridge be = x metre Speed of the train = 45 km/hr Distance = Speed × time x = 375 – 130

= 245 metres

RRB ALP Previous Year Paper - 2007 - Question 17

Square of the sum of two positive numbers is 9. What would be the value of the sum of the cubes of these numbers ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 17

(Sum of two positive numbers)2 = 9 = 32

⇒ Sum of two positive numbers = 3 = (1 + 2)

∴ Sum of the cube of those numbers

= 13 + 23 = 1 + 8 = 9

RRB ALP Previous Year Paper - 2007 - Question 18

4/5 part of a canister is filled with oil. 6 bottles of oil is taken out of it, leaving the threefourth part of the canister filled with oil. How many bottles of oil can fill the entire canister ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 18

Let the capacity of the canister be = x bottles

Then, as per question  x = 6 × 20 = 120 bottles

RRB ALP Previous Year Paper - 2007 - Question 19

If x : y : : 5 : 2 then the value of 8x + 9y : 8x : 2y will be—

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 19

x : y : : 5 : 2  RRB ALP Previous Year Paper - 2007 - Question 20

A fraction has the same ratio with 1/27, that 3/11 has with 5/9 . What is that fraction ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 20

Let required fraction be = x/1

Then, as per question, RRB ALP Previous Year Paper - 2007 - Question 21

12 is the H. C. F. of three numbers. If the ratio of these numbers is 1 : 2 : 3, then what are these numbers ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 21

Let three required numbers be x, 2x and 3x, respectively. H. C. F. of three numbers = x =12

∴ Required numbers = 12, 12 × 2, 12 × 3 = 12, 24, 36

RRB ALP Previous Year Paper - 2007 - Question 22

Average of first 50 natural numbers is—

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 22

Average of first 50 natural numbers  RRB ALP Previous Year Paper - 2007 - Question 23

There is a group of 8 men. If a new man replaces a man of this group of 65 kg, average weight of the group rises by 1·5 kg. What is the weight of this new men ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 23

Weight of new man = 65 kg. + 8 × 1·5

= (65 + 12) kg. = 77 kg.

RRB ALP Previous Year Paper - 2007 - Question 24

Average of 11 observations is 60. 58 is the average of first 5 observations and 56 is the average of last five observations. What is the 6th observation ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 24

6th observation = 11 × 60 – [5 × 58 + 5 × 56]

= 660 – [290 + 280]

= 660 – 570 = 90

RRB ALP Previous Year Paper - 2007 - Question 25

Average age of 25 students is 10 years. Average age rises by one year, if the age of the teacher is also included. What is the age of the teacher ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 25

Teacher’s age

= (25 + 1) × (10 + 1) – 25 × 10

= 286 – 250

= 36 years

RRB ALP Previous Year Paper - 2007 - Question 26

Sum of three numbers is 98. Ratio of first and second numbers is 2 : 3 and that of second and third is 5 : 8. What is second number ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 26

Let the three numbers be A, B and C respectively.

∴ A : B = 2 : 3 = 10 : 15 B : C = 5 : 8 = 15 : 24

∴ A : B : C = 10 : 15 : 24

As per question

10x + 15x + 24x = 98

x = 98/49 = 2

Second number = B = 15x = 15 × 2 = 30

RRB ALP Previous Year Paper - 2007 - Question 27

How many are the numbers between 200 and 600 which are perfectly divisible by 4, 5 and 6 ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 27

L. C. M. of 4, 5 and 6 = 2 × 2 × 3 × 5 = 60

∴ The number of required numbers [240, 300, 360, 420, 480 and 540]

RRB ALP Previous Year Paper - 2007 - Question 28

Area of the largest triangle drawn in a semicircle of radius r will be—

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 28

Perpendicular height of the largest triangle drawn in a semi-circle of radius r = r  RRB ALP Previous Year Paper - 2007 - Question 29

What would be the value of log 9, if log 27 = 1·431 ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 29

log 27 = log 33

= 3·log 3 = 1·431  RRB ALP Previous Year Paper - 2007 - Question 30

Three cubes of iron of sides 6 cms., 8 cm and 10 cm are melted and then converted into a single big cube what would be the side of this new cube ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 30

Let x be a side of newly formed cube after melting the three cubes.

x3 = (63 + 83 + 103) cm3

= (216 + 512+ 1000) cm3

= 1728 cm3

= 123 cm3

∴ x = 12 cm

RRB ALP Previous Year Paper - 2007 - Question 31

If each side of a square is extended by 25% its area will increase by—

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 31

Let the side of a square be = a

Length of the side after elongating 25% ∴ Percentage increase in area of the square  RRB ALP Previous Year Paper - 2007 - Question 32

At simple interest, if a sum of money becomes double in 6 years, after how long will it become 4 times ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 32

Let any sum be = Rs. P

It becomes double in 6 years at the annual simple interest rate of R% Let that sum become 4 times in T years RRB ALP Previous Year Paper - 2007 - Question 33

If cost price of 12 tables is equal to the sale price of 16 tables. What is the percentage of loss ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 33

Cost price of 12 tables = Sale price of 16 tables   RRB ALP Previous Year Paper - 2007 - Question 34

If an electric press is sold for Rs. 600, a profit of 20% is obtained. What would be its cost price, if it is sold at a profit of 15% ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 34

Let the cost price of electric press be = Rs. x

As per question, ∴ First sale price of the press RRB ALP Previous Year Paper - 2007 - Question 35

If 75% of some number is added to 75, the same original number is obtained. What is this number ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 35

Let the required number be = x

Then, 75 + 75% of x = x x = 4 × 75 = 300

RRB ALP Previous Year Paper - 2007 - Question 36

A is 10% taller than B. How much B is shorter than A ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 36

Let the height of B be = 100 cm ∴ Fall of percentage in required height RRB ALP Previous Year Paper - 2007 - Question 37

65xy is a number of 4 digits in which x and y are such two digits that 65xy is perfectly divisible by 80. Then x + y will be equal to—

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 37

As per question, in the number 65 xy, x and y are such digits that 65 x y is fully divisible by 80.

Then, y = 0

In the numbers 651, 652, 653, 654, … 659, only 656 is divisible by 8.

Namely, 6560 ÷ 80 = 82

So, x = 6

∴ x + y = 6 + 0 = 6

RRB ALP Previous Year Paper - 2007 - Question 38

A can do a piece of work in 6 days and B in 12 days. If both work together and complete the piece of work, what part of the work will be done by A ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 38

Part of work done by (A + B) in 1 day ⇒ (A + B) will complete the work in = 4 days

∴ Part of work done by A in 4 days = 4 × 1/6 = 2/3 par

RRB ALP Previous Year Paper - 2007 - Question 39

The sum of first 8 terms of a Geometric Progression is 6560 and common ratio is 3. The first term will be—

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 39

First term of geometric progression = a  RRB ALP Previous Year Paper - 2007 - Question 40

If a monthly increment of 2 2/3 % is allowed to an employee, he gets Rs. 72 more. His monthly income will be—

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 40

Let monthly income of the employee be = Rs. x x = 9 × 300 = Rs. 2700

RRB ALP Previous Year Paper - 2007 - Question 41

Angles of a triangle are in the ratio 2 : 7 : 11. Meaurements of the angle will be—

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 41

Let the values of angles of a triangle be 2x°, 7x° and 11x°, respectively

2x° + 7x° + 11x° = 180°

⇒ 20x° = 180°

∴ x° = 9°

Hence, the values of the angles of triangle are 18°, 63°, 99°.

RRB ALP Previous Year Paper - 2007 - Question 42

Ratio of milk and water is 7 : 3 in a mixture of 30 litre. How much water should be added to the mixture to make the ratio 3 : 7 ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 42

Volume of milk in the mixture Volume of water in the mixture For required ratio in the mixture, let the volume of mixed water be = x litre Then, RRB ALP Previous Year Paper - 2007 - Question 43

Radius of a circumcircle of an equlilateral triangle is 8 cm. What would be the radius of the incircle of this triangle ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 43

Let the one side of the equilateral triangle be = a cm

Then length of radius of circumcircle Length of the radius of circumcircle RRB ALP Previous Year Paper - 2007 - Question 44

Missing term in the series

0, 3, 8, 15, 24, …, 48 is—

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 44

Formation process and sequence of series are as below— Missing term = 24 + 11 = 35

RRB ALP Previous Year Paper - 2007 - Question 45

Rational factor of 3 √⎯ 3 is—

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 45

Rationalisation factor of 3⎯√3 = ⎯√3

[  3√⎯ 3 × ⎯√3 = 9]

RRB ALP Previous Year Paper - 2007 - Question 46

Flagellated structure of bacteria is called—

RRB ALP Previous Year Paper - 2007 - Question 47

The atom which has comparatively less number of electrons is called—

RRB ALP Previous Year Paper - 2007 - Question 48

10 identical taps can jointly fill a tank in 24 minutes. How long will nine of these taps take to fill this tank jointly ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 48

Part of the tank filled in 1 minute by 10 taps = 1/24

⇒ Part of the tank filled by one tap in 1 minute = 1/240

∴ Part of the tank filled by 9 taps in 1 minute = 9/240

Time taken by 9 taps to fill the tank fully = 240/9

= 26 2/3 minutes

RRB ALP Previous Year Paper - 2007 - Question 49

During Alexandar’s invasion, which river was the eastern border of India ?

RRB ALP Previous Year Paper - 2007 - Question 50

Antarctic circle—

RRB ALP Previous Year Paper - 2007 - Question 51

There is a cylindrical electric geyser with height 1·5 m and diameter 35 cm. Ignoring the thickness of its well, calculate its external lateral surface area.

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 51

Area of the external lateral surface of the geyser = 2π R. H. RRB ALP Previous Year Paper - 2007 - Question 52

A discount of 16% is allowed on marked price of an article. If its sale price is Rs. 546, what would be its marked price ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 52

Let marked price of the article be = Rs. x Then, as per question,  RRB ALP Previous Year Paper - 2007 - Question 53

Convert 13/125 into decimal fraction—

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 53 RRB ALP Previous Year Paper - 2007 - Question 54

Dimensional formula of momentum is—

RRB ALP Previous Year Paper - 2007 - Question 55

Electric motor converts—

RRB ALP Previous Year Paper - 2007 - Question 56

Viscosity of which of the following is maximum—

RRB ALP Previous Year Paper - 2007 - Question 57

This time Ritu’s age is four times to that of her brother Raj’s age. After 4 years, her age will be twice the age of Raj. What is present age of each of them ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 57

Let present age of Ritu be 4x years and that of Raj is x years. Then  ∴ Present age of Ritu is 8 years and that of Raj is 2 years.

RRB ALP Previous Year Paper - 2007 - Question 58

After dissolution of Lok Sabha, when is the post of Speaker abolished ?

RRB ALP Previous Year Paper - 2007 - Question 59

Painkiller medicines are called—

RRB ALP Previous Year Paper - 2007 - Question 60

The most appropriate metal for permanent magnet is—

RRB ALP Previous Year Paper - 2007 - Question 61

As the molecular weight of a liquid rises, its viscosity—

RRB ALP Previous Year Paper - 2007 - Question 62

Study of flowers is called—

RRB ALP Previous Year Paper - 2007 - Question 63

Why does a soap bubble appear colourful in sunlight ?

RRB ALP Previous Year Paper - 2007 - Question 64

Which of the following states is the foremost rubber producer ?

RRB ALP Previous Year Paper - 2007 - Question 65

Who presides over the joint session of both the Houses of Parliament ?

RRB ALP Previous Year Paper - 2007 - Question 66

Under which Constitution Amendment have the fundamental duties of Indian citizens been included in the constitution ?

RRB ALP Previous Year Paper - 2007 - Question 67

Who was the chief guest at the celebration of India’s Republic Day 2008 ?

RRB ALP Previous Year Paper - 2007 - Question 68

Radius of the base of a cylinder is 3 metre and its height is 14 m. Curved surface of the cylinder will be—

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 68

Curved surface = 2πrh

= 2 x 22/7 x 3 x 14 = 264 m2

RRB ALP Previous Year Paper - 2007 - Question 69

A carbon microphone is a variable—

RRB ALP Previous Year Paper - 2007 - Question 70

Second Karnataka War (1760) was fought between—

RRB ALP Previous Year Paper - 2007 - Question 71

The value of 0·1 × 0·1 × 0·01 × 0·1 is—

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 71

0·1 × 0·1 × 0·01 × 0·1 = 0·00001

RRB ALP Previous Year Paper - 2007 - Question 72

Find the total surface area of a solid cylinder of radius 5 cm and height 10 cm. Give the answer in π.

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 72

Area of whole curved surface of the cylinder = 2πR (H + R)

= 2π × 5 × (10 + 5) = 150 π cm2

RRB ALP Previous Year Paper - 2007 - Question 73

Simplify : 2·31 × 0·019.

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 73 RRB ALP Previous Year Paper - 2007 - Question 74

Four men working together take 3 hours to paint a wall. How much time would six men take to do the same job ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 74

4 Men complete the work in = 3 hours

⇒ 1 man will comlete the work in = 4 × 3 hrs.

∴ 6 men will complete the work = 4x3/6 = 2 hr

RRB ALP Previous Year Paper - 2007 - Question 75

A man goes 18 km down the stream in 4 hours and returns against the stream in 12 hours. The speed of the stream in km/hr is—

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 75

Speed of current = 1/2 [Speed in direction of current – Speed in anti-current direction] RRB ALP Previous Year Paper - 2007 - Question 76

50 g of an alloy of gold and silver contains 80% gold (by weight). The quantity of gold, that is to be mixed up with this alloy, so that it may contain 95% gold, is—

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 76

Quantity of gold in the alloy = = 50 × 80/100 = 40 gms.

Let the quantity of gold mixed with be = x gm

Then, as per question, ⇒ 800 + 20x = 950 + 19x

⇒ (20 – 19)x = 950 – 800

∴ x = 150 gm

RRB ALP Previous Year Paper - 2007 - Question 77

If a bucket is 80% full, then it contains 2 litre more water than when it is 66 2/3 % full. What is the capacity of the bucket ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 77

Let the capacity of the bucket be = x litre

Then, as per question,  RRB ALP Previous Year Paper - 2007 - Question 78

The monthly income of a person was Rs. 13500 and his monthly expenditure was Rs. 9000. Next year his income increases by 14% and his expenditure by 7%. Then the percentage increase in his savings is—

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 78

Monthly income = Rs. 13,500

Monthly expenditure = Rs. 9000

⇒ Monthly savings = 13500 – 9000 = Rs. 4500

As per question next year

Monthly income = 13500 × 114 /100 = Rs. 15390

Monthly income = 9000 × 107/100 = Rs. 9630

∴ Monthly savings = 15390 – 9630 = Rs. 5760

∴ Percentage of required in savings

= (5760 – 4500)/4500 × 100% = 28%

RRB ALP Previous Year Paper - 2007 - Question 79

A ladder 13 feet long stands upright against a wall. How far must the bottom of the ladder be pulled out so as to lower the top by a foot ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 79

Let bottom B of the ladder be pulled out be x feet from the wall so that the top A is lowered by 1 foot. BQ2 = AB2 – AQ2

⇒ x2 = 132 – 122

= 169 – 144 = 52

∴ x = 5 feet

RRB ALP Previous Year Paper - 2007 - Question 80

Given that  √3 = 1·73, the value of correct to three places of decimal, is—

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 80      RRB ALP Previous Year Paper - 2007 - Question 81

Liquid-regulated brakes in automobiles function on—

RRB ALP Previous Year Paper - 2007 - Question 82

A girl is sitting in a swing and swinging. Suddenly, she stands up, then time priod will—

RRB ALP Previous Year Paper - 2007 - Question 83

What is the percentage of carbon in steel ?

RRB ALP Previous Year Paper - 2007 - Question 84

Which of the following is the function of carburettor ?

RRB ALP Previous Year Paper - 2007 - Question 85

Alloy of which metals is used to make the parts of aircrafts and railway wagons.

RRB ALP Previous Year Paper - 2007 - Question 86

In which of the following media isthe velocity of sound maximum ?

RRB ALP Previous Year Paper - 2007 - Question 87

How does the escape velocity of a matter depend on its mass m ? It is directly proportional to—

RRB ALP Previous Year Paper - 2007 - Question 88

A body is in simple harmonic motion. Its potential energy will remain in which position ?

RRB ALP Previous Year Paper - 2007 - Question 89

Which of the following is the heaviest metal ?

RRB ALP Previous Year Paper - 2007 - Question 90

Which of the following converts solar energy directly into electrical energy ?

RRB ALP Previous Year Paper - 2007 - Question 91

Which of the following is called Land of Morning Calm ?

RRB ALP Previous Year Paper - 2007 - Question 92

Where is the headquarter of F. A. O. located ?

RRB ALP Previous Year Paper - 2007 - Question 93

Which of the following cathode materials offers the highest emission capacity ?

RRB ALP Previous Year Paper - 2007 - Question 94

Main function of moderator in nuclear reactors is—

RRB ALP Previous Year Paper - 2007 - Question 95

Dimensions of ‘a’ in the vander Waal’s equation ( p + a/v2 ) .(v – b) = RT are

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 95

Dimension of P and a/√2 will be the same RRB ALP Previous Year Paper - 2007 - Question 96

In the first week of the month, owner of a factory manufactured 40% of its quota. In the second week, he manufactured 50% of the first week’s production. During the third and fourth weeks, he manufactured 17488 tools. What is its monthly quota ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 96

Let number of tools manufactured monthly in the factory be = x

Then, a per question, Production in first week = 40% of x Production in second week ∴ Production in third and fourth weeks   RRB ALP Previous Year Paper - 2007 - Question 97

At a profit of 12%, ‘A’ sells a camera to ‘B’. At a loss of 9%, ‘B’ sells it to ‘C’. If ‘C’ purchased it for Rs. 1896, what was the cost price for ‘A’ ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 97

Let cost price of camera for A be = Rs. x ⇒ Cost price of the camera for B ⇒ Cost price of camera for C  RRB ALP Previous Year Paper - 2007 - Question 98

The value of 0·1 × 0·1 × 0·001 × 0·1 is—

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 98

Given expression = 0·1 × 0·1 × 0·001 × 0·1 = 0·000001

RRB ALP Previous Year Paper - 2007 - Question 99

JKLM is a kite and its diagonals intersect at 0. If LKLM = 2 LKJM and LKJM = 68°, find out the value of LLKO—

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 99

∠ KLM = 2 × ∠ KJM = 2 × 68° = 136°   RRB ALP Previous Year Paper - 2007 - Question 100

Radioactive iodine is used in the treatment of the diseases of which of the following ?

RRB ALP Previous Year Paper - 2007 - Question 101

Which of the following will decompose if electric current passes through its aqueous solution ?

RRB ALP Previous Year Paper - 2007 - Question 102

If current passes through a coil, the energy accumulates in the following form—

RRB ALP Previous Year Paper - 2007 - Question 103

Find out the missing term in the following series—

3, 4, 10, ?, 136, 685

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 103

Following is the given number series— RRB ALP Previous Year Paper - 2007 - Question 104

In some code language, OTRN is written as MRPL. How can EJID be written in the same language ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 104  RRB ALP Previous Year Paper - 2007 - Question 105

A cricketer has some average of runs of his 16 innings. He scored 85 runs in his 17th innings. Then his average increased by 3 runs. What is average of runs after 17th innings ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 105

Rise in average after 17th innings = 3

Total increase in runs after 17th innings = 3 × 17 = 51

The player scored 85 runs in 17th innings.

∴ His averaged of 16th innings = 85 – 51 = 34

∴ Average of his 17th innings = 34 + 3 = 37

RRB ALP Previous Year Paper - 2007 - Question 106

What is the percentage of pure gold in 18 carat ?

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 106

18 Percentage of pure gold in 18 carat = 18/24 × 100%

= 3/4 × 100% = 75%

RRB ALP Previous Year Paper - 2007 - Question 107

Under which constitution amendment has the age limit for voting been changed from 21 years to 18 years ?

RRB ALP Previous Year Paper - 2007 - Question 108

Among the following planets of solar system, which is the largest ?

RRB ALP Previous Year Paper - 2007 - Question 109

Which of the following glands is called master gland in human body ?

RRB ALP Previous Year Paper - 2007 - Question 110

Which metal is used in storage battery (accumulator) ?

RRB ALP Previous Year Paper - 2007 - Question 111

Dynamo converts—

RRB ALP Previous Year Paper - 2007 - Question 112

If log10 (x2 – 6x + 45) = 2, then the value of x will be—

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 112

log10 (x2 – 6x + 45) = 2

⇒ x2 – 6x + 45 = 102 = 100

⇒ x2 – 6x – 55 = 0

⇒ (x – 11) (x + 5) = 0

∴ x = 11, – 5

RRB ALP Previous Year Paper - 2007 - Question 113

Velocity of a particle is reduced to one-third of its initial velocity. Kinetic energy of the particle will become—

RRB ALP Previous Year Paper - 2007 - Question 114

Bauxite is an ore of which of the following metals—

RRB ALP Previous Year Paper - 2007 - Question 115

From the top of a building, a ball is dropped with an acceleration of 9·8 m/s2. After 3 seconds, its velocity will be—

Detailed Solution for RRB ALP Previous Year Paper - 2007 - Question 115

Let required velocity be = V m/sec

V = U + ft

⇒ V = 0 + 9·8 × 3

∴ V = 29·4 m/sec2

RRB ALP Previous Year Paper - 2007 - Question 116

Energy flowing in a telephone line is—

RRB ALP Previous Year Paper - 2007 - Question 117

Ratio of the magnetic fields of a magnet at end on distance d from the magnet and at broad-side-on position will be—

RRB ALP Previous Year Paper - 2007 - Question 118

What would be the temperature of the watersurface of a lake which is just going to freeze ?

RRB ALP Previous Year Paper - 2007 - Question 119

A jet engine functions on which of the following principles ?

RRB ALP Previous Year Paper - 2007 - Question 120

A wire of 4 Ω resistance is folded in the middle at 180° and its both the ends are joined. What will be its new resistance ?

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