If p³ – q³ = (p-q)[(p-q)²+xpq)] then the value of x is

What is the area of an equilateral triangle having altitude equal to $$5\sqrt{3}$$cm.

If a^2x+2=1, where a is a positive real number other than 1, then x is equal to 

The average of three numbers a, b and c is 2 more than c. The average of a and b is 48. If d is 10 less than c, then the average of c and d is:

The average of six consecutive odd numbers is 26. Find the difference between the largest and the smallest of these numbers.

If in a triangle the circumcentre, incentre, centroid and orthocentre are at the same place, then what will that triangle be like?

Find the cube root of $$ ^{3}\sqrt{-13824}$$.

The difference between compound interest and simple interest on a sum of money for 3 years at 8% per annum is Rs. 354.80. Find the sum.