RRB ALP & Technician Mock Test (English) - 15
75 Questions MCQ Test RRB ALP & Technician Exam (Group C ) - Mock Tests | RRB ALP & Technician Mock Test (English) - 15
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Which of the following is formed when Na₂CO₃ is heated ?
Eighteen years ago, a fathe rwas three times as old as his son. Now the father is only twice as old as his son. Then the sum of the present ages of the son and the father is:
The minute hand of clock is √21 cm long. The area described by a minute hand on the face of the clock between 7 am and 7.05 am is
Given that length of minute hand of clock is √21 cm
Angle described by the minute hand in 60 minutes = 360o
Angle described by the minute hand in 5 minutes = 360/60 x 5 = 30o
We know that Area of sector = θ/360 x πr2
= 30/360 x 22/7 x √21 x √21
= 11/2 = 5.5 cm2
Volleyball : Hockey : Football
Read the following facts about a family and answer the question that follow them
1. In a family of six persons, R S T X Y Z and F there are two married couples.
2. R is grandmother of X and mother of Y ?
3. Z is wife of Y and mothe of T
4. T is the grand daughter of S
What is Z to X ?
Hill : Mountain : : Stream : ?
When was the election of the President of the society held?
Statements:
I. Suresh submitted his nomination for the election on 13th and left on 17th for Delhi the day after he won the election.
II. The nominations were scrutinised on 14th and the ballot papers were prepared on the following day.
From II: The election was held after 15th
Using I & II we get election was held on 16th
My friend walks 30 m reaches Q. At Q, he turn left, walks 10 m and reaches R. At R he turns right walks 20 m and reaches S. At S, he turns right and meets the road at T so that ST = 10 m. This means he has travelled 30 + 10 + 20 + 10 = 70 m. Since I am also travelling with the same speed so I have covered 70 m (XT + TQ) in the same time and reached Q
Hence, distance between us = TQ = RS = 20 m
If cos 2A = 1 − 2sin2 A, and A = 15o the value of sin 15o =
If 4 x4 − 4 x3 − 7 x2 − 4 x + 4 = 0 ; then x =
Divide throughout by x2
F = m x a = Kg x ms2 = N
[1/3 ÷ 5/8 + 1/4 × 3/5 − 2/5 × 5/7], on simplification, gives
In ∆ABC, AD is the median through A and E is the midpoint of AD. BE produced meets AC in F, then AF is equal to
X Y Z A B C U V W ?
In the pair of three, the first pair XYZ is preceeded by UVW
But the second pair ABC (by observing the options)
preceedes the second alternating pair
⇒ Missing pair = DEF
A planet of Solar system has mass four times and diameter twice than those of earth. the value of g on this planet is
ABC is a triangle in which BC is produced to D. In case ∠A:∠B:∠C::3:2:1 and AC⊥CE, the measure of ∠ECD is
Which of the following statements is true?
If + means ÷, × means -, ÷ means × and - means +, then
8 + 6 × 4 ÷ 3 - 4 = ?
Given expression : 8 ÷ 6 - 4 × 3 + 4 = 4/3 - 4 × 3 + 4 = 4/3 -12 + 4 = - 20/3
The sum of the digits of a two-digit number is 8. The number ontained by reversing the digits is 18 less than the original number. The number is
The original no is greater than the new no by 18
∴ Required number = 11 x 8 + 18/2
= 88 + 18/2 = 106/2 = 53
5.2, 4.8, 4.4, 4, .?
A pipe of diameter d can drain a certain water tank in 40 minutes. The time taken by a pipe of diameter 2d for doing the same job is
Ratio of volumes 
∴ A pipe of radius d/2 can drain a water tank in 40 minutes
⇒ A pipe of radius d can drain the same water tank in 10 minutes
A shopkeeper sold an article offering a discount of 5% and earned a profit of 23.5%. What would have been the percentage of profit earned if no discount had been offered?
Giving no discount to customer implies selling the product on printed price. Suppose the cost price of the article is Rs. 100
Then, printed price 
= Rs. 130.
So the percentage of profit earned = 130 - 100 = 30
Statement :
Should all such political parties which have less than ten elected members of parliament be derecognised and be debarred from competing Lok Sabha seats?
Arguments :
I. No, this is against the very basic tenet of our constitution.
II. Yes, this will make the elections more meaningful as there will be fewer competing candidates in a constituency.
Statement:
It is desirable to put the child in school at the age of 5 or so.
Assumptions:
I. At that age the child reaches appropriate level of development and is ready to learn.
II. The schools do not admit children after six years of age.
Statements :a. Some papayas are guavas.
b. Some guavas are carrots.
c. Some carrots are mangoes.
Conclusions:I. Some mangoes are papayas.
II. Some carrots are papayas.
III. No papaya is a mango.
Statements :
a. All fruits are lions.
b. All lions are foxes.
c. Some foxes are elephants.
Conclusions :
I. All fruits are foxes.
II. Some fruits are elephants.
Conclusions:
(I) True
(II) False (case of possibility)
Hence, only conclusion I follows
Robert is travelling on his cycle and has calculated to reach point A at 2 P.M., if he travels at 10 kmph; he will reach there at 12 noon if he travels at 15 kmph. At what speed must he travel to reach A at 1 P.M.?
Let the distance travelled by Robert x km
Then, x/10 - x/15 = 2
⇒ 3x - 2x = 60
⇒ x = 60 km
Time taken to travel 60 km at 10 km/hr = ( 60/10 )hrs = 6 hrs
So, Robret started 6 hours before 2 P.M. i.e., at 8 A.M.
∴ Required speed = ( 60/5 )kmph. = 12 kmph
A hemispherical bowl is made of steel 0.25 cm thick. The inside radius of the bowl is 5cm. The volume of steel used in making the bowl is nearly (use π = 22/7)
AUTOGRAPHS
The Ambanies were recently on vacation and bought each of their four children (one of who is Madhuri) a stuffed animal as a souvenir. Hoping to avoid confusion and squabbles, they bought four animals which were clearly different types (one was hippo) and different colours (one was yellow). Using the following clues, can you find each child’s are (no two children are the same age and the ages are all one year apart, expressed in whole number of years) and the type and colour of the stuffed animal which each Ambani Child received?
1. Karim was so excited by her present that the ripped off the wrapping from her package first, followed by the three-year-old. Next the bunny unwrapped and finally the blue toy was uncovered.
2. The eldest child (who was not Ravikant) received an orange animal as a gift.
3. Sandeep, who did not received the teddy bear, is a year younger than the child who received the lamb (which was not blue).
4. The two-year-old’s toy was soon forgotten when a bright red toy was unwrapped immediately after it.
Q. What was the colour of the animal that the youngest Ambani got is gift?
The Ambanies were recently on vacation and bought each of their four children (one of who is Madhuri) a stuffed animal as a souvenir. Hoping to avoid confusion and squabbles, they bought four animals which were clearly different types (one was hippo) and different colours (one was yellow). Using the following clues, can you find each child’s are (no two children are the same age and the ages are all one year apart, expressed in whole number of years) and the type and colour of the stuffed animal which each Ambani Child received?
1. Karim was so excited by her present that the ripped off the wrapping from her package first, followed by the three-year-old. Next the bunny unwrapped and finally the blue toy was uncovered.
2. The eldest child (who was not Ravikant) received an orange animal as a gift.
3. Sandeep, who did not received the teddy bear, is a year younger than the child who received the lamb (which was not blue).
4. The two-year-old’s toy was soon forgotten when a bright red toy was unwrapped immediately after it.
Q. Which of the following statements is not correct?
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