## 36. From a group of 7 men and 6 women, five persons are to be selected to form a committee so that at least 3 men are there on the committee. In how many ways can it be done?

## 37. In how many different ways can the letters of the word 'LEADING' be arranged in such a way that the vowels always come together?

## 38. In how many different ways can the letters of the word 'CORPORATION' be arranged so that the vowels always come together?

## 39. Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed?

## 40. In how many ways can the letters of the word 'LEADER' be arranged?

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