(20+4-1) X 22 is equal to
2
5
4
3
(-1)50 is equal to
-1
50
-50
1
2/5x4/7=
14/20
8/35
20/14
35/8
Which of the following has no reciprocal?
0
10
The square root of 3 x3 x 4 x 4 =
12
9
16
6
Multiplicative identity for rational numbers is ------- .
1/10
The reciprocal of -5/13 is
5/13
-13/5
13/5
-5/13
The value of (-4)3 is
-12
-64
64
(-2)-2 is equal to
1/2
1/4
-1/2
-1/4
According to commutative property 2/5+1/2 =
9/10
10/9
1/2 + 2/5
2+ 5/2