# 1st PUC Mathematics Series-9

#### PUC Science 1st Year Mathematics Series-9 quiz

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1st PUC Mathematics Series 9

TEST YOUR KNOWLEDGE OF SCIENCE

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Q.81 Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed?

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Q.82 In a group of 6 boys and 4 girls, four children are to be selected. In how many different ways can they be selected such that at least one boy should be there?

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Q.83 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 in the committee. In how many ways can it be done?

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Q.84 In how many different ways can the letters of the word 'OPTICAL' be arranged so that the vowels always come together?

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Q.85 In how many different ways can the letters of the word 'CORPORATION' be arranged so that the vowels always come together?

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Q.86 In how many ways can a group of 5 men and 2 women be made out of a total of 7 men and 3 women?

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Q.87 In how many different ways can the letters of the word 'MATHEMATICS' be arranged such that the vowels must always come together?

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Q.88 There are 8 men and 10 women and you need to form a committee of 5 men and 6 women. In how many ways can the committee be formed?

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Q.61. Graphite has a structural similarity with

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Q.90 In how many different ways can the letters of the word 'LEADING' be arranged such that the vowels should always come together?