RRB Group D Mock Test - 37
100 Questions MCQ Test RRB (Group D) - Mock Tests & Previous Year Papers | RRB Group D Mock Test - 37
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A shopkeeper sold an item at a loss of 20% and received 20000/-. What was the cost price of the item?
Let CP = x
(1-0.2)(x) = 20000
(0.8)(x) = 20000
x = 25000/-
So the answer is option B.
A college celebrated a festival for five days. The average daily attendance in those five days was 678 while the average attendance in the last four days of the festival was 679. What was the attendance on the first day of the festival?
Total attendance in 5 days = 678*5 = 3390
Attendance in 1st day + attendance in last 4 days = attendance in 5 days
x + 4(679) = 3390
x + 2716 = 3390
x = 674
So the answer is option D.
Rupesh started his journey of 150km with the speed of 45kmph, after travelling for 2hrs, he realized that he is left with 1hr to reach his destination. Find his new speed if he reached his destination on-time.
Total distance = 150km
Distance covered by him in 2 hrs = 45*2 = 90km
Remaining distance = 150-90 = 60km
So the answer is option C.
Find tan θ, if secθ = 13/12 ?
It is known that 0 < θ < 90
So the answer is option B.
H.C.F of fractions = H.C.F of numerators / L.C.M of denominators = (HCF of 1, 2, 3)/(LCM of 2, 3, 4) = (1)/(12) = 1/12
P and Q together can complete a piece of work in 8 days, Q alone can complete the same work in 12 days.In how many days can P alone complete the same work?
Let total work = LCM of 8 and 12 = 24 units
Efficiency of P&Q; = 24/8 = 3
Efficiency of Q = 24/12 = 2
Then efficiency of P = 3-2 = 1
P alone can complete 24 units of work in 24/1 = 24 days
So the answer is option A.
Find the side of an equilateral triangle, of area 25√3 sq.cm ?
Find the perimeter of a rectangle whose length is 9 cm and breadth is equal to the side of a square of area 36 sq.cm ?
Length of rectangle = 9 cm
Breadth = side of square = √36 = 6 cm
Perimeter = 2(l+b) = 2(9+6) = 30cm
So the answer is option B.
4 walls of a house of height 4m, width 6m and length 8m are to be painted. What is the total expenditure if the painter charges Rs.1.5 per sq.m ?
Lateral surface area = 2h(l+b) = 2(4)(6+8) = 112sq.cm
Cost of painting = 112*1.5 = 168
So the answer is option A.
Sampath sold an item to sharath for 2500/- and earned a profit of 100/-. What is the profit percentage in this transaction?
SP = 2500
Profit = 100
CP = SP - Profit = 2500 - 100
If sum of a number and 4 times its fraction is 4, then find that number ?
Find the slope of a line perpendicular to 5x-3y+2 = 0 ?
Slope of given line = 5/3
Slope of a line perpendicular to given line = -3/5
So the answer is option C.
p and q are the total surface area and curved surface area of a cylinder. If the height and radius of the cylinder are the same, what is the value of p/q ?
The edges of a cuboid are in the ratio 2 : 3 : 4. If the total surface area of the cuboid is 468 sq cm, what is its volume?
Let it's edges are 2x, 3x, 4x
Surface area = 468
A circle is inscribed in a square of side 14cm, then find the maximum area of the circle ?
Train P of length 300m and Train Q of length 600m are travelling with 48kmph and 66kmph respectively. Find the time taken by them to cross each other if they are moving in same direction ?
Find the area of trapezium ABCD, AB=7 cm, CD=5 cm & height of trapezium is 4 cm ? It is known that AB is parallel to CD
Select the option that bears the same relationship as the terms given in the question:
BA : CE :: DI : ?
B is the first consonant and A is the first vowel.
C is the second consonant and E is the second vowel.
D is the third consonant and I is the third vowel.
Therefore, the next term must be composed of the fourth consonant and the fourth vowel - F and O respectively. Therefore, option C is the right answer.
elect the option that is different from the other 3 options:
Kiwi, Ostrich and Emu are flightless birds. Peacock can fly. Therefore, option D is the right answer.
Find the order in which the following words appear in a dictionary.
1. nemesis
2. neology
3. nefarious
4. neonatology
The order in which these words will appear in a dictionary:
3. nefarious
1. nemesis
2. neology
4. neonatology
Find the number which will replace ‘?’.
4, 18, 48, 100, ?
The series follows the following pattern n3−n2
Which of the following words cannot be formed using the letters of the word ‘SCHADENFREUDE’?
Diffuser has 2 F’s. SCHADENFREUDE has only one F. Clearly, DIFFUSER cannot be made by shuffling the letters of SCHADENFREUDE. Hence, option D is the right answer.
If DRY is coded as 1800 and BAT is coded as 40, the code of which of the following words is 200?
The code for a word is the product of the position of the letters of the word in the alphabetical series.
DRY - 4*18*25 = 1800
BAT - 2*1*20 = 40
Let us evaluate the options using the same logic.
GATE - 7*1*20*5 = 700
DEBT - 4*5*2*20 - 800
BEED - 2*5*5*4 - 200
DATE - 4*1*20*5 - 400
Therefore, option C is the right answer.
If ‘+’ means ‘-’, ‘-’ means ‘*’, ‘*’ means ‘/’ and ‘/’ means ‘+’, then what is the value of the following expression?
13 - 13 / 3 - 63 * 9 + 2 -5
Let us replace the symbols with the actual operators.
13 - 13 / 3 - 63 * 9 + 2 -5 = 13 * 13 + 3*63/9 - 2*5
Applying BODMAS rule, we get, 169 + 3*7 - 10 = 180
Therefore, option B is the right answer.
Which of the following options should come in the place of x,y and z in that order in the grid if it is known that all the numbers from 1 to 9 are used exactly once and the sums of the elements along both the diagonals are equal to the sum of the elements of the first column?
Each number is used only once and the sums of numbers along both the diagonals are equal.
6 + z + y = 2 + 8 + z
=>y = 4
6 + 1+ 8 = 6 + z + 4
=> z = 5 and x = 3.
(x,y,z) = (3,4,5).
Therefore, option A is the right answer.
Consider the given statements to be true even if they are at odds with generally known things. Based on the statement, evaluate which of the conclusions follow:
Statements:
No tree is a herb.
All herbs are shrubs.
Some shrubs are trees.
Conclusions:
I: All shrubs being trees is a possibility.
II: All trees being shrubs is a possibility.
The given statements can be expressed diagrammatically as follows without violating any of the conditions.
Shrubs that are herbs cannot be trees as no herb is a tree. Therefore, conclusion I does not follow.
Trees and herbs can be 2 disjoint subsets of Shrubs. Therefore, conclusion II follows.
Only conclusion II follows. Therefore, option B is the right answer.
Which of the following options will bear the same relationship as the words given in the first part of the question?
Belgium: glass :: Italy : ?
Belgium is famous for glass products. Similarly, Italy is renowned for its marbles. Therefore, option C is the right answer.
Which of the following options will bear the same relationship as the numbers given in the first part of the question?
371 : 4 :: 442 : ?
A family consists of 4 members - A, B, C and D. There are 2 male, 2 female members in the family. The family contains 2 married couples. C and A are related to each other by blood. A is related to B the same way D is related to C. If C is the father of A, how is D related to B?
C and A are related to each other by blood. There are 2 married couples in the family. Therefore, the other 2 must be spouses of these 2 persons.
C is the father of A. A is related to B the same way D is related to C. Therefore, A must be the husband of B and D must be the husband of C. As we can see, D must be the son-in-law of B. Therefore, option A is the right answer.
If 12 & 27 = 324 and 41 ! 73 = 114, then what is the value of 35 ! 16 & 18?
35 ! 16 & 18 = 35 + 16*18 = 323
Hence, option C is the right answer.
Which of the following Venn diagrams captures the relationship between predator, prey, goat, tiger, frog?
Some animals are both predator and prey. Frog eats insects and snakes eat frog. Therefore, frog is both a predator and prey.
Goat is a prey. Goats are herbivores and hence, they can be purely termed as preys. Tiger is an apex predator.
Therefore, the Venn diagram must contain 2 large intersecting circles and 3 small circles, one in each of the regions formed by the intersecting circles. Only option C satisfies this condition. Hence, option C is the right answer.
In the following diagram, each geometric shape represents a movie.
The number of people who have watched exactly 3 movies is
The region common to 3 shapes will give us the number of people who have watched exactly 3 movies.
From the diagram, the number of people who have watched exactly 3 movies is 8+2+13 = 23. Hence, option A is the right answer.
Find the number which should replace ‘?’.
1, 9, 49, 169, ?
The series is the squares of the first series:
The first series starts with 1 and subsequent terms are increased by 2, 4, 6, 8 ... and so on.
1
1 + 2 = 3
3 + 4 = 7
7 + 6 = 13
13 + 8 = 21
Squares of these numbers:
Ganesh walks 20 m towards the East. Then, he walks 3 m towards the south. He takes a turn and walks 4 m towards the East. Finally, he walks 10 m towards the North and comes to a halt. How far is Ganesh from his starting point?
The given statements can be expressed diagrammatically as follows:
Total distance travelled towards the East = 20 + 420+4 = 2424 m.
Total distance travelled towards the North = -3 + 10−3+10 = 77 m.
Distance from the starting point can be found using the Pythagoras theorem.
5 persons A, B, C, D and E live on 5 different floors of a building. The floors are numbered from 1 to 5, 1 being the topmost floor and 5 being the bottom most floor. A lives on an odd numbered floor above D. D has more persons living above him than below him. D lives on an even numbered floor. C lives on an odd numbered floor above D but below A. E lives on a floor above B. Who lives on floor 2?
1 is the topmost floor and 5 is the bottom-most floor. A lives on an odd numbered floor above D. Therefore, A must be living on floor 1 or 3. D has more persons living above him than below him. Therefore, D must be living on floor 4 or 5. D lives on an even numbered floor. Therefore, D must be living on floor 4. C lives on an odd numbered floor above D but below A. Therefore, A must be living on floor 1 and C must be living on floor 3. E lives on a floor above B. Therefore, B must be living on floor 5 and E must be living on floor 2.
The final arrangement is as follows:
1 - A
2 - E
3 - C
4 - D
5 - B
As we can see, E lives on the second floor. Therefore, option B is the right answer.
A machine codes DATE as 400 and TIME as 11700. The code for a 3 lettered word is 100. Which of the following cannot be the word?
DATE is coded as 400.
DATE - 4*1*20*5 - 400
TIME - 20*9*13*5 - 11700
Let us evaluate the options one by one.
DAY - 4*1*25 - 100
TEA - 20*5*1 - 100
EAT - 5*1*20 - 100
BET - 2*5*20 - 200
Therefore, option D is the right answer.
In option A, mirror image of 'n' and 'b' is incorrect.
In option B, mirror image of 'n' is incorrect.
In option C, mirror image of 'q' is incorrect.
Option D is the mirror image.
On which of the following dates the President Pranab Mukherjee gave his assent to the Andhra Pradesh State Reorganization Bill to create Telangana as India’s 29th State?
Which of the following includes meaningful interpretation of data and knowledge?
Data are sensory stimuli that we perceive through our senses. Information is data that has been processed into a form that is meaningful to the recipient (Davis and Olson, 1985). Information is a set of significant signs that has the ability to create knowledge. The essence of the information phenomenon has been characterized as the occurrence of a communication process that takes place between the sender and the recipient of the message (Wersig and Neveling, 1975).
In which part of the cell does gene mutation take place?
Which famous independence leader gave the quote 'Jai Jawan, Jai Kisan'?
Who is the author of book” Ashadhyani” on Sanskrit grammar?
Which was the summer capital of India during the British Raj?
Which of the following princely states supported the British during the Indian First War of Independence?
Pulmonary Veins carry blood between which of the following Organs of the Body?
The only female ruler of the Delhi Sultanate, Razia Sultana was the daughter of ….
Which Indian region is the only place in the world where the Asiatic Wild Ass is found?
The chemical formula of Urea is CH4N2O
The respiratory gases in the human body is carried by which of the following cells?
Which of the following is not a correct classification of Harmones based on their structure?
Which of the following harmones secreted by the Thyroid Gland?
The Hormone - Melatonin that helps in regulating the human Sleep- Wake Cycle is secreted by which of the following glands?
Which of the following is on the left side of the photosynthesis equation?
Which leader’s birthday is celebrated annually as Teacher’s Day in India ?
The wavelength of ultra-violet light is of which order?
What is the chemical formula for laughing gas?Report Question
What is the mathematical expression for the Newton's Second law of Motion?
According to the Newton's second law of motion, F = ma. Here F is the force, m is the mass and a is the acceleration.
Mary kom movie produced by Sanjay Leela Bhansali is written by?
Who gave the principle of objects submerged partially or fully in water?
What is the name of the Japanese space explorer that was launched on a 6-year round-trip journey to blow a crater in a remote asteroid and collect samples from inside in hope of gathering clues to the origin of the Earth?
The ancient civilization of Sumer flourished in a region, which is a part of the following country in the modern world
Who received the first Nobel Prize in Physics in India ?
which among the following is the largest port in India?
Which day is observed as the 'International Day of Older Persons' every year?
Which day is observed as the 'United Nations Formation Day'
Which of following countries meet more than one fourth of their energy requirement from nuclear power
The national sport of which of these countries is Taekwondo?
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