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In a football championship, 153 matches ...

In a football championship, 153 matches were played. Every two-team played one match with each other. The number of teams, participating in the championship is ________.

A

17

B

18

C

9

D

none of these

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The correct Answer is:
B
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OBJECTIVE RD SHARMA ENGLISH-PERMUTATIONS AND COMBINATIONS-Chapter Test
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  2. The number of ways in which a team of eleven players can be selected f...

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  3. In a football championship, 153 matches were played. Every two-team pl...

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  4. How many numbers between 5000 and 10,000 can be formed using the digit...

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  5. If x, y and r are positive integers, then ""^(x)C(r)+""^(x)C(r-1)+""^(...

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  6. In how many ways can 5 red and 4 white balls be drawn from a bag conta...

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  7. All the letters of the word 'EAMCET' are arranged in all possible ways...

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  8. There are 10 lamps in a hall. Each one of them can be switched on i...

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  9. How many 10-digit numbers can be formed by using digits 1 and 2

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  10. The straight lines I(1),I(2),I(3) are parallel and lie in the same pla...

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  11. about to only mathematics

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  12. The number of diagonals that can be drawn by joining the vertices of a...

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  13. The sum of the digits in unit place of all the numbers formed with the...

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  14. In an examinations there are three multiple choice questions and each ...

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  15. There are 10 points in a plane, out of these 6 are collinear. If N is ...

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  16. Ramesh has 6 friends. In how many ways can be invite one or more of th...

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  17. If Pm stands for ^m Pm , then prove that: 1+1. P1+2. P2+3. P3++ndotPn=...

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  18. The number of ways four boys can be seated around a round talble in fo...

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  19. We are required to form different words with the help of the letters o...

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  20. A candidate is required to answer 6 out of 10 questions, which are ...

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