Arithmetical Reasoning section 2 MCQ Detailed Explanation And More Example

Question : 1

There are 3 societies A, B, C having some tractors each. A gives B and C as many tractors as they already have. After some days B gives A and C as many tractors as they have. After some days C gives A and B as many tractors as they have. Finally each has 24 tractors. What is the original No. of tractors each had in the beginning?

a) A-21, B-12, C-29

b) A-29, B-21, C-12

c) A-39, B-21, C-12

d) A-21, B-12, C-39

Question : 2

The letters L, M, N, O, P, Q, R, S and T in their order are substituted by nine integers 1 to 9 but not in that order. 4 is assigned to P. The difference between P and T is 5. The difference between N and T is 3. What is the integer assigned to N?

a) 4

b) 7

c) 5

d) 6

Question : 3

A fibres 5 shots to B's 3 but A kills only once in 3 shots while B kills once in 2 shots. When B has missed 27 times, A has killed

a) 72 birds

b) 30 birds

c) 60 birds

d) 90 birds

Question : 4

Three ducks can be arranged as shown above to satisfy all the three given conditions. A certain number of horses and an equal number of men are going somewhere. Half of the owners are on their horses' back while the remaining ones are walking along leading their horses. If the number of legs walking on the ground is 70, how many horses are there ?

a) 14

b) 10

c) 12

d) 16

Question : 5

I have a few sweets to be distributed. If I keep 2, 3 or 4 in a pack, I am left with one sweet. If I keep 5 in a pack, I am left with none. What is the minimum number of sweets I have to pack and distribute ?

a) 54

b) 25

c) 37

d) 65

Question : 6

David gets on the elevator at the 11th floor of a building and rides up at the rate of 57 floors per minute. At the same time. Albert gets on an elevator at the 51st floor of the same building and rides down at the rate of 63 floors per minute. If they continue travelling at these rates, then at which floor will their paths cross?

a) 30

b) 19

c) 28

d) 37