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In how many ways can a student choose a programme of 5 courses if 9 courses are available and 2 specific courses are compulsory for every student?

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RD SHARMA ENGLISH-COMBINATIONS-All Questions
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  7. From a class of 12 boys and 10 girls, 10 students are to be chosen for...

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  8. How many different selections of 4 books can be made from 10 different...

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  9. From 4 officers and 8 jawans in how many ways can 6 be chose To includ...

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  10. A sports team of 11 students is to be constituted, choosing at least 5...

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  12. In an examination a student has to answer 4 questions out of 5 ques...

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

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  14. A committee of 3 persons is to be constituted from a group of 2 men...

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  15. Find the number of diagonals and triangles formed in a decagon.

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  16. Determine the number of 5-card combinations out of a deck of 52 car...

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  17. In how many ways can a team of 3 boys and 3 girls be selected from ...

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  18. Find the number of ways of selecting 9 balls from 6 red balls, 5 wh...

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  19. Determine the number of 5 card combinations out of a deck of 52 car...

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  20. In how many ways can one select a cricket team of eleven from 17 playe...

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