12 year old Manik, is three times as old as his -brother Rahul. How old will Manik be when he is twice as old as Rahul?
সমাধান
সঠিক উত্তর: Option B
Question wise, Rahul = 4 years
Now, 2(4 + x) = (12 + x)
or, 8 + 2x = 12 + x
or, 2x - x = 12 - 8
or, x = 4
So, Manik's age will be = 12 + 4 = 16
