Question

The average age of 4 persons is 42 years. If their ages are in the ratio of 1: 3: 4: 6 respectively, find out the difference between the ages of the eldest and the youngest person.

• A. 61 years
• B. 60 years
• C. 59 years
• D. 70 years

Answer 1

Answer:

B. 60 years

Sum of ages = 42 x 4 = 168 Ratio sum = 1+3+4+6= 14 1 unit = 168/14 = 12 Difference (6-1) × 12 = 60 years