Average Questions and Answers for Bank Exams and SSC

Objective Types Average Problems: Average Questions and Answers

Q.16 Nine men went to a hotel. Eight of them spent Rs 10 each on their meals. Ninth spent Rs 4 more than the average of all of them, ninth man spent…..

(A) Rs 14

(B) Rs 15

(C) 15.50

(D) Rs 14.50

The correct answer is option (D)

Q.17 If the average of m no’s is a, and when X is added to the m numbers, the average of m+1 numbers is b, then x is equal to which of the following?

(A) ma + b

(B) (m + 1) b – ma

(C) 2ma – mb

(D) b – a + ma

The correct answer is option (B)

Q.18 The average age of the committee of seven trustees is the same as it was five years ago, a younger man having been substituted for one of them. How much younger was he than the trustee whose place he took?

(A) 28 years

(B) 35 years

(C) 40 years

(D) 51 years

The correct answer is option (B)

Q.19 The average age of the boys in a class of 20 boys is 15.6 years. What will be the average age if 5 new boys come whose average is 15.4 years?

(A) 15.56 years

(B) 15.65 years

(C) 18 years

(D) 16.56 years

The correct answer is option (A)

Q. 20 The weight of four rowers of a boat respectively 70 kg, 72 kg, 73 kg and 74 kg and the average weight of whole crew, including the coxswain is 70 kg. Find the weight of the coxswain.

(A) 65 kg

(B) 59 kg

(C) 61 kg

(D) 58 kg

The correct answer is option (C) 

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