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JEE MATHEMATICS MCQ: COMBINATIONS

1 Easy

1 of 1

Application +4 | -1

If

{ }^{10} {C}_x={ }^{10} {C}_{x+4}

, then the value of

x

is

View answer and explanation

Correct option: A

3

Option A (3) is correct because using the property of combinations, either x = x+4 (which is not possible) or x + x + 4 = 10, leading to x = 3.

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