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The ages of Hari and Harry …

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The ages of Hari and Harry are in the ratio 5 : 7 . Four years from now, the ratio of their ages will be 3 : 4 . Find their present ages.

Posted by Mohamad Irfan 2 years, 6 months ago

CBSE > Class 08 > Mathematics

2 answers

Account Deleted 2 years, 6 months ago

Dude you do very complicatedly

0Thank You

Diksha Yewale 2 years, 6 months ago

Ratio = 5:7 Let the common multiple be x Age will be = 5x, 7x After 4 years Hari = 5x+4 Harry= 7x+4 Ratio = 3:4 Hari = 5x+4 3 ——————— = -------- (Cross multiply Harry= 7x+4 4 4(5x+4) = 3(7x+4) 20x+16=21x+12 16-12=21x-20x 4=x Hari's age = 5x = 5×4=20years Harry's age = 7x = 7×4=28years

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CBSE > Class 08 > Mathematics