Test Index

WBJEE 2015 Math Solved Paper

© examsnet.com

Question : 52

Total: 80

Let x1 , x2 , ........... , x15 be 15 distinct numbers chosen from 1 , 2 , 3 , .......... , 15. Then the value of (x1 - 1) (x2 - 1) , (x3−1) .......... (x15 - 1) is

always ≤ 0
0
always even
always odd

Go to Question:

Prev Question

Next Question