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Question

Rakhi' 's mother is 4 times as old as rakhi. After 5years ,her mother will be 3times as old as she will be then. Find their present ages. 


Solution

Let present age of Rakhi= x years

= Present age of Mother= 4x

5 years later

Age of Rakhi=(x+5)

Age of Mother=(4x+5)

ATQ (According to Question)

(4x+5)= 3(x+5)

4x+5 = 3x+15

4x-3x = 15-5

x = 10

Hence, the present age of Rakhi = 10

the present age of Mother = 4x = 4*10=40 (multiply)

Mathematics

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