Permutations an...

The number of 4 digit even numbers that can be formed using 0,1,2,3,4,5,6 without repetition is

How many numbers less than 1000 can be made from the digits 1,2,3,4,5,6 (repetition is not allowed)

How many words can be formed from the letters of the word COURTESY , whose first letter is C and the last letter is Y

How many words can be made from the letters of the word DELHI, if L comes in the middle in every word

The number of ways in which 9 persons can be divided into three equal groups is

In how many ways 3 letters can be posted in 4 letter-boxes ,if all the letters are not posted in the same letter -box

How many numbers lying between 99 and 1000 be made from the digits 2,3,7,0,8,6 when the digits occur only once in each number

All possible four digit numbers are formed using the digits 0,1,2,3, so that no number has repeated digits. The number of even numbers among them is

The number of 7 digit numbers which can be formed using the digits 1,2,3,2,3,3,4 is

How many numbers greater than hundred and divisible by 5 can be made from the digits 3,4,5,6, if no digit is repeated