HOW MANY GROUPS OF 7 CAN BE MADE FROM A GROUP OF 10

hOW MANY GROIUPS OF 7 CAN BE MADE FROM A GROUP OF 10
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1 Answer

The answer is obtained by carrying out the following:

10×9×8×7×6×5×4/(1×2×3×4×5×6×7)=

10×9×8/(1×2×3)=10×3×4=120.

So there are 120 different groups of 7 taken from a larger group of 10.

by Top Rated User (1.2m points)

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