Arithmetic Reasoning - Verbal and Reasoning

Q1:

Today is Varun's birthday. One year, from today he will be twice as old as he was 12 years ago. How old is Varun today ?

A 20 years

B 22 years

C 25 years

D 27 years

ANS:C - 25 years

Let Varan's age today = x years.Then, Varan's age after 1 year = (x + 1) years.Therefore x + 1 = 2 (x - 12) x + 1 = 2x - 24 x = 25.