Question

The ages of rahul and haroon aee in ratio 5:7. Four years later the sum of teir ages will be 56. wahat are their present ages

Answer 1

Answer: Rahul = 20yrs

Haroon = 28yrs

Step-by-step explanation:

Let their ages be 5x & 7x

ATQ, after 4yrs,

5x+4+7x+4 = 56

12x+8= 56

12x = 56-8

x = 48/12 = 4

Hence their ages are (5*4) = 20yrs and (7*4) = 28yrs.

Answer 2

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The age of Rahul and Haroon are in the ratio 5:7. Four years later the sum of ages will be 56 years. What are their present ages?

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Let the current age of Rahul and Haroon be 5x and 7x respectively

Four years later their ages become 5x + 4 and 7x + 4 respectively.

According to the question,

5x + 4 +7x + 4 = 56

or 12x + 8 = 56

Transposing 8 to the RHS we get,

12x = 48

Dividing both sides by 12 gives,

x = 48/12 = 4

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Thus current age of Rahul = 5*4 = 20

Haroon = 7*4 = 28

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