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There are 10 points in a plane, out of t...

There are 10 points in a plane, out of these 6 are collinear. If N is the number of triangles formed by joining these points, then

A

100

B

120

C

150

D

none of these

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The correct Answer is:
A
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OBJECTIVE RD SHARMA ENGLISH-PERMUTATIONS AND COMBINATIONS-Chapter Test
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  2. In an examinations there are three multiple choice questions and each ...

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

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

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

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

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

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  9. The number of ways in which 6 men and 5 women can dine at a round tabl...

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  10. A students is to answer 10 out of 13 questions in an examminations suc...

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  11. Write the number of all possible words that can be formed using the ...

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  12. In a group of boys, two boys are brothers and six more boys are pres...

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  13. Nishi has 5 coins, each of the different denomination. Find the number...

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  14. Write the number of ways in which 5 boys and 3 girls can be seated in ...

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  15. How many different nine-digit numbers can be formed from the digits of...

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  16. The number of 4 digit even numbers that can be formed using 0, 1, 2, 3...

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  17. The number of ways in which n ties can be selected from a rack display...

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  18. There are n-points (ngt2) in each to two parallel lines. Every point o...

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  19. The maximum number of points of intersection of 8 circles is

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  20. The maximum number of points of intersection into which 4 circles and ...

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