A was born 5 years before B, B is 4 years older than C and

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A was born 5 years before B, B is 4 years older than C and 3 years younger to D. If A is now 17 years old, how old is D?

1. 19 years
2. 15 years
3. 12 years
4. 8 years

Correct Option: B

Here , Present age of A = 17 years
Age of B = age of A - 5 years = 17 – 5 = 12 years
Age of C = age of B – 4 years =12 – 4 = 8 years
Age of D = Age of B + 3 years =12 + 3 = 15 years