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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