27-72= 0. Is it correct.
Yes
No
Can't be determined
None of these
Value of - √49 is
-7
7
7-1
none of these
The multiplicative inverse of xn is
xn
x
x-n
n
The value of ao+ (-1)5=
5
2
0
1
Simplify
x+y-z
a x+y+z
a x+y-z
The value of (2/7)3 is
6/21
5/10
8/21
8/343
-x
1/x
-1/x
The series obtained by (-1)n; n N.
1,-1,1,-1,.....
1,1,1,1,1..............
-1,-1,-1,-1,.......
-1,1,-1,1,......
2x = 32 then 2x + 2 =
12
32
64
128
If 10o= 1 then 1000o=
400
