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Q.

The ages of Emily and Mohan are in the ratio 17 : 10. If Mohan`s age is 20, how old is Emily ?

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a

34

b

27

c

24

d

20

answer is A.

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Detailed Solution

If the Ratio is given as 17 : 10, then, 

Age of Emily =17x 

Age of Mohan = 10x 

It is given that 10x = 20 

Therefore, 

x = 20 ÷ 10 

And, x = 2 

Thus, Age of Emily = 17(2) = 34 years

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