Question

how old is rena now if 10 years ago she was 25 years old

Answer 1

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Hey Mate!!

Let Reena's present age be x.

=> Reena's age 10 years ago = x - 10

=> x - 10 = 25

=> x = 25 + 10

=> x = 35 years

Answer 2

10 years ago she was off 25 years

So, her present is (25+10)

                              = 35 years