A mother decided to buy 16 chocolates for her 4 children. In how many ways can she divide the chocolates equally into 4 lunch boxes?
Find the number of selections that can be made taking 4 letters from the word ‘ENTRANCE’?
A word ‘DRIVE’ was taken, and all its letters were rearranged to make new words without repetition. What will be the rank of the word ‘DIVER’?
The number 1234 was rearranged many times to form different numbers. What will be the rank of the number 4132?
Which of the following will be the sum of all the numbers that can be formed by using the number 5,7,8,2,9 without repetition?
Which of the following will be the number of sides of a polygon whose diagonals are 4 times the number of its sides?
How many triangles can be formed from 20 points in a plane out of 9 are collinear?
In the figure, the line represents to go west wards and south wards. In how many ways can a person reach from A to B?