(Sample Material) India Post Payments Bank (IPPB) Study Kit "Numerical Ability - Ratio & Proportion"
Sample Materials of India Post Payments Bank (IPPB) Study Kit
Subject: Numerical Ability
Topic: Ratio & Proportion
1. Two numbers are in the ratio 3 : 5. If we subtract 5 from each number, then the new ratio becomes 2 : 5. The numbers are
(1) 9, 15
(2) 12, 20
(3) 18, 30
(4) 21, 35
(5) None of these
2. If 5 times a number is equal to 7 times another number, find the ratio between the two numbers
(1) 5 : 7
(2) 7 : 5
(3) 4 : 5
(4) 3 : 7
(5) None of these
3. 60m of a uniform wire weight 80 kg. What will 141 m of the same wire weight ?
(1) 144 kg
(2) 188 kg
(3) 288 kg
(4) 282 kg
(5) None of these
4. Ratio between two numbers is 5 : 6 and sum of their squares is 549. The numbers are
(1) 10, 12
(2) 15, 18
(3) 20, 24
(4) 30, 36
(5) None of these
5. Ratio between three numbers is 1 : 2 : 3 and sum of their squares is 504. The numbers are
(1) 6, 12, 18
(2) 3, 6, 12
(3) 4, 8, 24
(4) 2, 4, 8
(5) None of these