Ratio of ages of Reena and Prerna is 2 3 and the ratio of ages of Tiya and Reena is 3 1 If the ratio...........

Quantitative Aptitude ( CCS) Problems based on Ages

Ratio of ages of Reena and Prerna is 2 : 3 and the ratio of ages of Tiya and Reena is 3 : 1. If the ratio of age of Prerna four years hence to age of Tiya three years hence is 5 : 9, what is the total of the ages of all three?

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Explanation:

Solution:
P/R = 3/2 and R/T = 1/3
So P : R : T =
3*1 : 2*1 : 2*3 = 3 : 2 : 6
Now (3x+4)/(6x+3) = 5/9
So x = 7
P = 3x = 21, R = 2x = 14, T = 6x = 42
So P + R + T = 77