Question 75

Meena is 15 years elder to Reena. 15 years back she wasthrice as old as Reena. What is Reena's present age?

Solution

Meena is 15 years elder to Reena. 15 years back she wasthrice as old as Reena. What is Reena's present age?

$$Meena = Reena + 15$$ (1)

15 yrs ago

$$(Meena -15)= 3(Reena -15)$$ (2)

put (1) in (2) we get,

$$((Reena + 15) -15)= 3(Reena -15)$$

$$2Reena = 45$$

$$Reena = 22.5years$$

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