(Sample Material) IBPS Clerk Study Kit "Numerical Ability - Ratio & Proportion"
Sample Materials of IBPS Clerk Study Kit
Subject: Numerical Ability
Topic: Ratio & Proportion
Q.1 In a ratio, which is equal to 3 : 4, if the antecedent is 12, then the consequent is:
(1) 10
(2) 16
(3) 20
(4) 25
(5) 27
Q.2 60 kg of an alloy A is mixed with 100 kg of alloy B. If alloy A has lead and tin in the ratio 3 : 2 and alloy B has tin and copper in the ratio 1 : 4, then the amount of tin in the new alloy is:
(1) 38 kg
(2) 44 kg
(3) 45 kg
(4) 47 kg
(5) None of these
Q.3 The ratio between numbers is 12: 13. If each number is reduced by 20, the ratio becomes
2 : 3. Find the numbers
(1) 24, 26
(2) 36, 39
(3) 48, 52
(4) 60, 65
(5) None of these
Q.4 If the degree measure of two unequal angles of an isosceles triangle are in the ratio 1 : 3. What is the degree measure of the smallest angle of the triangle ?
(1) 108°
(2) 36°
(3) 45°
(4) 110°
(5) None of these
Q.5 The ratio of the ages of two friends is 3 : 4. After 5 yr, the new ratio of their ages will be 4 : 5. Find the sum of their ages after 3 yr.
(1) 41 yr
(2) 39 yr
(3) 36 yr
(4) 42 yr
(5) None of these
