P and Q have an average monthly salary of Rs. 5050. Q and R have an average monthly income of Rs. 6250, while P and R have an average monthly income of Rs. 5200. P's monthly earnings are as follows:
A. 3500
B. 4000
C. 4050
D. 5000
Answer:B
P and Q have an average monthly salary of Rs. 5050. Q and R have an average monthly income of Rs. 6250, while P and R have an average monthly income of Rs. 5200. P's monthly earnings are as follows:
A. 3500 B. 4000 C. 4050 D. 5000
Explanation: P, Q, and R are their monthly earnings, respectively. Then there's:P + Q = (10100) x (5050) x (5050) x (5050) x (5050) x (5050) (i)6250 x 2 = 12500 = Q + R... (ii)P + R = (10400) x (5200) x (2200) x (2200) x (2200) x (2200) x (2 (iii)2(P + Q + R) = 33000 or P + Q + R = 16500 when I (ii), and (iii) are added together... (iv)P = 4000 is obtained by subtracting (ii) from (iv).P earns Rs. 4000 per month.