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Let x1, x2,.......,x15 be 15 distinct nu...

Let `x_1, x_2,.......,x_15` be 15 distinct numbers chosen from 1,2,3,....,15. Then the value of `(x_1-1)(x_2-1)(x_3-1)........(x_15 - 1)` is

A

always` le 0`

B

0(zero)

C

always even

D

always odd

Text Solution

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The correct Answer is:
B
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