9x The ratio of ages of Shivani and Shalin s 5 : 7. Four years later, – InterviewSolution

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1.

9x The ratio of ages of Shivani and Shalin s 5 : 7. Four years later, the ratio of their ages will be 3:4. Fndtheir present ages.

Answer»

Let the age of shivani and shalini be x and y x/y=5/7......(1)after 4 years... x/y+4= 3/4.....(2)solving these eq. x+4y=37x-5y=0

x =20y=28

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