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The ages of rahul and haroon …

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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 their present ages

Posted by Nancy Soni 5 years, 4 months ago

CBSE > Class 08 > Mathematics

2 answers

Rasika K.S 5 years, 4 months ago

20,28

Yogita Ingle 5 years, 4 months ago

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

Thus current age of Rahul = 5×4 = 20

Haroon = 7×4 = 28

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