Question

the ages of rahul and haroon are in the ratio 5:7 four years later the sum of their ages will be 56 years what are the present ages

Answer 1

The age of Rahul and Harmon be x
The age of Rahul =5x
,,,,,,,,,,,,,,,,,,,,haroon =7x
After four years
The age of rahul=5x=56
'''''''''''''''''''''haroon =7x
5x*4=20
7x*4=28
So the present age of rahul =20
,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,haroon =28

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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