A. Rs.400

**B. Rs.500**

C. Rs.300

D. Rs.600

E. None of these

Explanation:

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Let the amounts to be received by P, Q and R be p, q and r.

p + q + r = 1200

p = 1/2 (q + r) => 2p = q + r

Adding ‘p’ both sides, 3p = p + q + r = 1200

=> p = Rs.400

q = 1/3 (p + r) => 3q = p + r

Adding ‘q’ both sides, 4q = p + q + r = 1200

=> q = Rs.300

r = 1200 – (p + q) => r = Rs.500.

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