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In how many ways can an examinee answer a set of ten true/false type questions?

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RD SHARMA ENGLISH-PERMUTATIONS-All Questions
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  2. A coin is tossed three times and outcomes are recorded. How many pos...

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  3. In how many ways can an examinee answer a set of ten true/false type ...

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  4. A letter lock consists of three rings each marked with 10 different ...

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  5. There are 6 multiple choice questions in an examination. How many s...

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  6. Given 7 flags of different colours, how many different signals can be ...

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  7. A team consists of 6 boys and 4 girls and other has 5 boys and 3 girls...

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  8. How many A.P.’s with 10 terms are there whose first term is in the set...

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  9. How many three digit numbers are there with no digit repeated?

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  10. How many three –digit numbers are there?

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  11. How many different five –digit number licence plates can be made if Fi...

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  12. How many four –digit numbers can be formed with the digits 3,5,7,8,9 w...

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  13. How many four digit numbers can be formed with the digits 3,5,7,8,9 ...

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  14. How many 3 digit numbers are there, with distinct digits, with each ...

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  15. How many different numbers of six digits can be formed from the digits...

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  16. A number lock on a suitcase has three wheels each labelled with ten di...

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  17. How many numbers of six digits can be formed from the digits 0,1,3,5,7...

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  18. If three six faced die each marked with numbers 1 to 6 on six faces, ...

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  19. A coin is tossed three times and the outcomes are recorded. How many ...

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  20. How many numbers of four digits can be formed with the digits 1,2,3,4,...

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