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In how many ways can 7 plus (+) and 5 mi...

In how many ways can 7 plus (+) and 5 minus (-) signs be arranged in a row so that no two minus (-) signs are together?

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RD SHARMA ENGLISH-COMBINATIONS-All Questions
  1. A polygon has 44 diagonals. The number of its sides are

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  2. From a class of 25 students, 10 are to be chosen for an excursion p...

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  3. In how many ways can 7 plus (+) and 5 minus (-) signs be arranged in a...

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  4. In how many ways can 21 books on English and 19 books on Hindi be plac...

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  5. From a group of 15 cricket players, a team of 11players is to be ch...

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  6. How many different boat parties of 8, consisting of 5 boys and 3 girls...

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  7. In how many ways can a student choose a programme of 5 courses if 9...

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  8. In how many ways can a football team of 11 players be selected from 16...

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  9. There are 10 professors and 20 students out of whom a committee of 2 p...

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  10. How many different products can be obtained by multiplying two or more...

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  11. From a class of 12 boys and 10 girls, 10 students are to be chosen for...

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

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

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

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  15. A student has to answer 10 questions, choosing at least 4 from each of...

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

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

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

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

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

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