If you fail, never give up because FAIL means 'First Attempt In Learning'.— A. P. J. Abdul Kalam

Mathematical Identities — quick quiz

5 real WB Police PC questions on Mathematical Identities. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 5

HARD

If x - y = 3 and x^3 - y^3 = 117, then find the value of xy.