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

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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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