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shubhamkumar
- Senior | Next Rank: 100 Posts
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with this kind of problem, i prefer to add number and count...shubhamkumar wrote:If p is an integer and m = -p +(-2)^p, is m^3>1?
1) P is even
2) P^3 <= -1
OA C
statement1: p is even so p could be 0,2,4,6...
if P=0 so m=1
if P=2 so m=2 >>>insufficient
statement 2 P must be odd, P could be -1,-2,-3
if P=-1 m=-3/2
if P=-2 m=9/4
>>>>insuficient
(1+2) P must be even and #0
