(Highlighted / Underlined option is the CORRECT ANSWER)
IMPORTANT
The following questions are probably misprinted or wrong in Q.ppr code 578 of NSEJS 2012-13.
Q.38 Option (a) & (b) both can be correct
Q.63 Given a2 + b2 + c2 = 12. But in other sets it is a2 + b2 + c2 = 21
Q79. in option (b) virus is compared to virus
hence both (b) & (c) can be answers