The average age of Yogita Kanika and Prachi is 14 years The ratio of Yogita rsquo s age one year ago...........

Quantitative Aptitude ( CCS) Problems based on Ages

The average age of Yogita, Kanika and Prachi is 14 years. The ratio of Yogita’s age one year ago to Kanika’s age one years hence to Prachi’s age three years hence is 5 : 6 : 4. Find ratio of Yogita’s age two years hence to Prachi’s age.

8 : 5

5 : 3

1 : 4

2 : 1

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Explanation:

Solution:
Y + K + P = 42
(Y – 1) : (K + 1) : (P + 3) = 5 : 6 : 4
So (5x + 1) + (6x – 1) + (4x – 3) = 42
Solve, x = 3
So Yogita’s age 1 ago hence = 5x = 15, so present age = 16
Prachi’s age 3 years hence = 4x = 12, so present age = 9
So (Y+2)/P = 18/9 = 2/1