The average of 20 numbers is zero. Of them, How many of them may be greater than zero , at the most?
Correct Answer : D
What least number should be subtracted from 13601 such that the remainder is divisible by 87 ?
On what dates of April, 2001 did Wednesday fall?
A box contains 4 red, 3 white and 2 blue balls. Three balls are drawn at random. Find out the number of ways of selecting the balls of different colours?