Question

the age of kiran and kishore are in thr ratio of 5:7 four years from now the ratio of their ages will be 3:4 find their present age


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Answer 1

Step-by-step explanation:

let their ages be 5x and 7x

According to question,

(5x +4)/(7x+4)= 3/4 (3:4=3/4)

3(7x+4)= 4(5x + 4) {cross multiplication}

21x + 12= 20x + 16

21x - 20x= 16-12

x= 4

Kiran's age= 5× 4= 20 years

Kishore's age= 7×4 = 28 years

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