no. of ways of selecting p & q from {1,2,3,4,.....,9,10} so that |p-q|

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no. of ways of selecting p & q from {1,2,3,4,.....,9,10} so that |p-q|<4.

FITJEE · Answer

using permutation and combination

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no. of ways of selecting p & q from {1,2,3,4,.....,9,10} so that |p-q|<4.

no. of ways of selecting p & q from {1,2,3,4,.....,9,10} so that |p-q|<4.

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no. of ways of selecting p & q from {1,2,3,4,.....,9,10} so that |p-q|<4.

no. of ways of selecting p & q from {1,2,3,4,.....,9,10} so that |p-q|<4.

1 Answers

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