Lima is 10 years older than Rima. In 7 years time, Lima will be twice as old as Rima. Find Lima's age now?

A 3
B 13
C 23
D 15

Correct Answer: 13

Let, now Lima's age be X years. :. Rina's age is (X - 10) years According to the question, X + 7 = 2{(X - 10) + 7} = > X + 7 = 2(X - 3) = > X + 7 = 3X - 6 = > 2X - X = > 7 + 6 = > X = 13
Bissoy MCQ
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