1.

The average weight of four persons P, Q, R, and S is 40 kg. Q's weight is twice that of P, S's weight is 10 kg less than R's and the difference between Q's and R's weight is 5 kg (Q's weight greater than R's weight). Respectively, P and S's weight in kg is

A. 15 and 40
B. 40 and 15
C. 25 and 40
D. 80 and 25
Answer» D. 80 and 25


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