25-3 is equal to
25 × 25 × 25
252/25
25/252
1/253
The value of (1/2)3 × (3/4)2 ÷ (5/2)3 is
None of these
The reciprocal of -3/5 is
3/5
5/3
-5/3
Simplify:[642/3 × 2-2 ÷ 8o]1/2
0
1
2
1/2
The value of xa + yb, if ay = 19683, where y is a multiple of a and bx = 1024, where b is a factor of x. a, b, x and y being integers is
1081
829
181
1729
100o =
10
100
74 × 7-5 × 710 × 76 =
7-15
720
718
715
24 × 54 is equal to
1000
10000
x × x × x ×.... n times is equal to
x
nx
xn
n + x
The value of x if 2x.2x+1 = 32
3
4
