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Mr. A has c children by his first ...

Mr. A has c children by his first wife and Ms. B has x+1 children by her first husband . They marry and have children of their own . The whole family has 10 children Assuming that two children of the same parents do not fight ,the maximum number of fights that can take place among the children is

A

33

B

35

C

38

D

none of these

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A
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DIPTI PUBLICATION ( AP EAMET)-PERMUTATIONS & COMBINATIONS-EXERCISE 1B (COMBINATIONS )
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  10. Out of thirty points in a plane , eight of them are collinear . T...

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  15. Let T(n) be the number of all possible triangles formed by joi...

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  16. Tm denotes the number of triangles that can be formed with the ...

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