# Aptitude | Simplification and Approximation | Question 15

If p – q = 6 and p^{2} + q^{2} = 116, what is the value of pq?**(A)** 20**(B)** 60**(C)** 40**(D)** 10**Answer:** **(C)****Explanation:** p^{2} + q^{2} -2pq = 36

=> pq = 40

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