In how many ways seven persons can be selected for the function out of 11
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their is 11 person and 7 may be chosen so
11c7 =11!/7!4!=11×10×9×8/24=7920/24=330 is the ans
hope it helps
11c7 =11!/7!4!=11×10×9×8/24=7920/24=330 is the ans
hope it helps
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