Arithmetical Reasoning section 1 MCQ Detailed Explanation And More Example

Question : 1

A man wears socks of two colours - black and brown. He has altogether 20 black socks and 20 brown socks in a drawer. Supposing he has to take out the socks in the dark, how many must he take out to be sure that he has a matching pair ?

a) 39

b) 3

c) 20

d) None of these

Question : 2

How many such symbols are there in the above arrangement each of which is immediately preceded by a number and immediately followed a consonant?

a) Three

b) One

c) Two

d) More than three

e) None

Question : 3

It the above series is re-arranged in the reverse order, which will be the eleventh element to the left to the sixteenth element from the left end?

a) B

b) J

c) 6

d) <

e) None of these

Question : 4

There are four routes to travel from city A to city B and six routes from city B to city C. How many routes are possible to travel from the city A to city C ?

a) 10

b) 24

c) 12

d) 8

Question : 5

Five bells begin to toll together and toll respectively at intervals of 6, 5, 7, 10 and 12 seconds. How many times will they toll together in one hour excluding the one at the start ?

a) 9 times

b) 7 times

c) 8 times

d) 11 times

Question : 6

Between two book-ends in your study are displayed your five favourite puzzle books. If you decide to arrange the five books in every possible combination and moved just one book every minute, how long would it take you?

a) 3 hours

b) 1 hour

c) 2 hours

d) 4 hours