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A committee of 7 has to be formed from 9 boys and 4 girls. In how many ways can this be done when the committee consists of: exactly 3 girls ?

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A committee of 7 has to be formed from 9 boys and 4 girls. In how many ways can this be done when the committee consists of: atleast 3 girls ?

A committee of 7 has to be formed from 9 boys and 4 girls. In how many ways can this be done when the committee consists of: atmost 3 girls ?

A committee of 7 has to be formed from 9 boys and 4 girls. In how many wasy can this be done, when the committee consists of: at least 3 girls?

A committee of 7 has to be formed from 9 boys and 4 girls. In how many ways can this be done when the committee consists of : at least three girls.

A committee of 2 boys is to be selected from 4 boys. In how many ways can this be done ?

A committee of 3 persons is to be constituted from a group of 2 men and 3 women. In how many ways can this be done? How many of these committees would consist of 1 man and 2 women?

A committees of 3 persons is to be constituted from a group of 2 men and 3 women. In how many ways can this be done ? How many of these committees would consist of 1 man and 2 women ?

A committee of 12 is to be formed from nine women and eight men. In how many ways this can be done if at least five women have to be included in a committee ? In how many of these committees : the women are in majority ?

A committee of 12 is to be formed from nine women and eight men. In how many ways this can be done if at least five women have to be included in a committee ? In how many of these committees : the men are in majority ?

A committee of 5 members is to be selected from among 6 boys and 5 girls. Determine the number of ways of selecting the committee if it is to Consist of at least one boy and one girl.

MODERN PUBLICATION-PERMUTATIONS AND COMBINATIONS-EXERCISE
  1. Each of the six squares in the strip shown in the fig., is to be colou...

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  2. A mathematical club consists of 18 members. In how many Wars can the m...

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  3. How many arithmetic progressions with 10 terms are there whose first t...

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  4. There are 6 items in column A and 6 items in column B. A student is as...

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  5. A code word is to consist of two distinct English alphabets followed b...

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  6. How many 4-letter words, with or without meaning, can be formed out of...

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  7. Find the number of permutations of the letters of the words 'DADDY DID...

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  8. In how many different ways can the word ‘EATERAN EATER’ be arranged so...

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  9. Three married couples are to be seated in a row having six seats in a ...

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  10. A group consists of 4 girls and 7 boys. In how many ways can a team of...

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  11. A group consists of 4 girls and 7 boys. In how many ways can a team of...

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  12. A group consists of 4 girls and 7 boys. In how many ways can a team of...

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  13. A committee of 7 has to be formed from 9 boys and 4 girls. In how many...

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  14. A committee of 7 has to be formed from 9 boys and 4 girls. In how many...

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  15. A committee of 7 has to be formed from 9 boys and 4 girls. In how many...

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  16. Determine the number of 5 cards combination out of a deck of 52 cards ...

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  17. The English alphabet has 5 vowels and 21 consonants. How many words wi...

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  18. Find the number of permutations of n different things taken r at a tim...

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  19. A coin is tossed 5 times. Determine the number of ways in which 0 head...

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  20. Six X 's have to be placed in the squares of the figure below, such th...

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