1.

yeThe ratio of present ages of Rehana and her mother is 2:7. After 2 years, the ratio oftheir ages will be 1:3. What is Rehana's present age?(8)

Answer»

Let Rehana's present age be x.Then Mother's age = (7/2)x = 3.5xAfter 2 years, (x+2) / (3.5x+2) = 1/3=> 3x + 6 = 3.5x + 2=> 4 = 0.5x=> x = 8 years old.

REHANA IS 8 YEARS OLD PRESENTLY.

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