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q) one year ago the ratio of gauravs and sachins age was
6:7 respectively four years hence , the ratio would become
7: 8 how old is sachin ?
/// any one tell wheather my procedure ids correct or
wrong///
let gauravs and sachins age one year ago was 6X and 7X
respectively
four years hence gauravs age is =6X+4
four years hence sachins age is =7X+4
6x+4/7x+4=7/8
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Answer Posted / lalit choudhary
Let Gaurav's and Sachin's ages one year ago be 6x and 7x years respectively. Then, Gaurav's age
4 years hence = (6x + 1) + 4 = (6x + 5) years.
Sachin's age 4 years hence = (7x + 1) + 4 = (7x + 5) years.
6x+5 = 7 8(6x+5) = 7 (7x + 5) 48x + 40 = 49x + 35 x = 5.
7x+5 8
Hence, Sachin's present age = (7x + 1) = 36 years.
| Is This Answer Correct ? | 12 Yes | 5 No |
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