Where p ≠ q ≠ r, the value of (p−q)3 + (q−r)3 + (r−p)3(p2−q2)3 + (q2−r2)3 + (r2−p2)3 is:

If the shares of Raju, Ankit, and Anuj in a total sum of 1 are 0.625, 0.04, and 0.229 respectively, and the remaining share belongs to Ranjan, then the share of Ranjan is:

What is the square root of (7 + 2√10)?

If x2 + 1x2 = 7, then what is the value of x + 1x?