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How many four digit numbers greater than 5000 can be formed with the digits 4 ,5, 7, 8, and 9?
How many different ways can the letters of the word ‘DEMONETIZATION’ be arranged?
In an election, a voter can vote for any number of candidates not exceeding the number to be elected. There are 7 candidates and 4 members to be elected...
A total of 24 points are given on a plane, out of which 10 are collinear. How many distinct straight lines can be formed using these points?
In how ways can the selection be made so that a particular member is always included?
Nine boys have to stand in a circle. In how many ways they are to be stand on the circumference of circle?
A committee of 4 people is to be formed from a group of 10 individuals. If 2 specific individuals refuse to work together, how many different committees...
In a Group of 8 boys and 6 girls, Six children are to be selected. In how many different ways can they be selected such that at least one boy should be ...
In how many ways can 7 beads be arranged to make a necklace?
Find the number of words formed by using all the letter of the word MEMBER, so that the vowels are always together.
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