1.

After 6 years, the sum of the years of service of P, Q and R will be 56 years. Before 3 years, the sum of years of service of Q and R was 17 years. What is the current length of service of P ?

A. 17 years
B. 15 years
C. 11 years
D. 12 years
Answer» C. 11 years


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