(Sample Material) India Post Payments Bank (IPPB) Study Kit "Numerical Ability - Average"
Sample Materials of India Post Payments Bank (IPPB) Study Kit
Subject: Numerical Ability
Topic: Average
1. The average age of a husband, his wife and daughter 2 years ago was 24 years and that of his wife and daughter 4 years ago was 18 years. What is the husband’s present age ?
(1) 32 years
(2) 30 years
(3) 34 years
(4) 36 years
(5) None of these
2. Five years ago the average age of four men is 48 yr. Now, a new man joins and the average age increases by 2 yr. What is the age of the new man?
(1) 36 years
(2) 42 years
(3) 41 years
(4) 38 years
(5) None of these
3. The mean yearly salary of an employee of a company was ` 20000. The mean yearly salaries of male and female employees were ` 20800 and ` 16800 respectively. Find the ratio of males to females employed by the company
(1) 3 : 2
(2) 4 : 1
(3) 2 : 1
(4) 5 : 3
(5) None of these
4. Average of two numbers is 14.5 and square root of their product is 10. What are the numbers ?
(1) 16 and 9
(2) 25 and 4
(3) 4 and 16
(4) 25 and 9
(5) None of these
5. The average age of a group of four men whose ages are in the ratio 2 : 3 : 4 : 5 is 42 years, what is the age of the eldest person in this group ?
(1) 60 years
(2) 48 years
(3) 36 years
(4) 24 years
(5) None of these
