question_answer

If and \[\mathbf{a},\mathbf{b},c\]care distinct, then the product\[\mathbf{abc}\]is equal to

A)   0                   

B)  1              

C)  \[-1\]                           

D)  2

Correct Answer: C

Solution :

[c]             If, then \[1+(abc)=0\] \[\Rightarrow abc=1\] Hence, option [c] is correct.