Jay wants to buy a total of 100 plants using exactly a sum of Rs. 1000. He can buy Rose plants at Rs. 20 per plant or ma…

There are 7 non-collinear points. How many triangles can be drawn by joining these points?

In how many different ways can the letters of the word DISPLAY be arranged?

In how many ways a committee consisting of 5 men and 6 women can be formed from 8 men and 10 women ?

If the letters of the word CHASM are rearranged to form 5 letter words such that none of the word repeat and the results…

In a certain laboratory, chemicals are identified by a colour-coding system. There are 20 different chemicals. Each one …

A selection committee is to be chosen consisting of 5 ex-technicians. Now there are 12 representatives from four zones. …

When six fair coins are tossed simultaneously, in how many of the outcomes will at most three of the coins turn up as he…