# Quant Quiz – Average from Previous Papers – 18

Hello and welcome to exampundit. Here is a set of Quantitative Aptitude Quiz based on Average Problems from Previous Papers.

1. Average of five numbers is 61. If the average of first and third number is 69 and the average of second and fourth number is 69, what is the fifth number? (SBI Clerk 2012)

(a) 31

(b) 29

(c) 25

(d) 35

(e) None of these

Option:Â B

Explanation:

1. Average weight of 19 men is 74 kgs, and the average weight of 38 women is 63 kgs. What is the average weight (rounded off to the nearest integer) of all the men and the women together ? (SBI Clerk 2012)

(a) 59 kgs.

(b) 65 kgs.

(c) 69 kgs.

(d) 67 kgs.

(e) 71 kgs.

Option:Â D

Explanation:

1. The sum of the ages of 4 members of a family 5 years ago was 94 years. Today, when the daughter has been married off and replaced by a daughter-in-law, the sum of their ages is 92. Assuming that there has been no other change in the family structure and all the people are alive, what is the difference in the age of the daughter and the daughter-in law ? (IBPS PO/MT 2012)

(a) 22 years

(b) 11 years

(c) 25 years

(d) 19 years

(e) 15 years

Option:Â A

Explanation:

1. The average score of a cricketer for 13 matches is 42 runs. If his average score for the first 5 matches is 54, then what is his average score (in runs) for last 8 matches? (IBPS Clerk 2013)

(a) 37

(b) 39

(c) 34.5

(d) 33.5

(e) 37.5

Option:Â C

Explanation:

1. The average of the 9 consecutive positive integers is 63. The product of the largest and smallest integers is (Indian Overseas PO 2013)

(a) 3935

(b) 3953

(c) 3853

(d) 3835

(e) 3635

Option:Â B

Explanation:

1. Manish brought 25 kg of rice at Rs. 32 per kg and 15 kg of rice at Rs. 36 per kg. what profit did he get when he mixed the two varieties together and sold it at Rs. 40.20 per kg? (IBPS SO 2013)

(a) 25%

(b) 40%

(c) 30%

(d) 20%

(e) None of these

Option:Â D

Explanation:

1. The respective ratio between the present ages of son, mother, father and grandfather is 2 : 7 : 8 : 12. The average age of son and mother is 27 yr. What will be mother’s age after 7 yr? (IBPS PO/MT 2013)

(a) 40 yr

(b) 41 yr

(c) 48 yr

(d) 49 yr

(e) None of these

Option:Â D

Explanation:

1. The average age of 60 boys in a class was calculated as 12 years. It was later realised that the actual age of one of the boys in the class was 12.5 years but it was calculated as 14 years. What is the actual average age of the boys in the class? (SBI Clerk 2014)

(a) 11 years

(b) 11.275 years

(c) 11.50 years

(d) 11.975 years

(e) None of these

Option:Â D

Explanation:

1. James’ father was 30 years old when he was born. His mother’s age was 24 when his sister who is 5 years younger to him, was born. What is the difference between the age of James’ father and mother? (IBPS PO Pre 2016)

(a) 8

(b) 10

(c) 6

(d) 11

(e) 9

Option:Â D

Explanation:

1. David’s present age is 2/7th of his father’s present age. David’s brother is three year older to James. The respective ratio between present ages of David father and David’s brother is 14:5. What is the present age of David? (IBPS PO Mains 2016)

(a) 12 years

(b) 23 years

(c) 19 years

(d) 27 years

(e) 13 years