The ratio of ages of two brothers is 6 : 7. Find the age of the elder brother if at the time of the birth of younger brother the elder brother was 6 years old.

The ratio of ages of two brothers is 6 : 7. Find the age of the elder brother if at the time of the birth of younger brother the elder brother was 6 years old. Correct Answer 42 years

Let the ages be in terms of x. 6 : 7 = 6x : 7x At the time of birth of the younger brother, the elder was 6 years old. The difference between their ages = 6 years 7x – 6x = 6 years X = 6 years 7x = 7 * 6 = 42 years
Bissoy MCQ

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