IBPS Government Jobs Exams Numerical Ability Age Problem

Four years ago ratio of ages of A and B was 5:3. The sum of the present age of A, B and C is 80 years. If present age of C is equal to the sum of the ages of A and B. What is the present age of A ?
A) 24 B) 20 C) 16 D) 27 E) 30

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IBPS Other Question

Marked price of an article is 60% more than the CP of the article. When it is sold at x% discount then ___% percent profit is obtained and when it is sold at a discount of 2x%, ___% profit is obtained. Which of the following options are possible for the blanks in same order (i) 60, 30 (ii) 20, 8 (iii) 48, 24 (iv) 36, 12 (v) 44, 28
(A) (i) and (v) (B) (ii), (iv) and (v) (C) (iii), (iv) and (v) (D) (i), (iv) and (v) (E) All are possible In a milk and water solution, the ratio of milk and water is 3:1. If 20 litres of mixture is taken out and 9 litres milk is added to the mixture then the percentage water in the mixture becomes 14(2/7)%. What is the total volume of the initial mixture?
A) 24 litres B) 27 litres C) 36 litres D) 32 litres E) None of thses