The additive identity of 3/11 _______.
0
3/11
-3/11
-11/3
A rational number between a and b is
a/2
b/2
ab / 2
(a+b)/2
Multiplicative inverse of -1/2 is :
-1/2
1/2
2
-2
- 16/ 81 x 1 = _________.
16/81
-16/81
81/16
1
The produt of a rational number and its reciprocal is
-1
None of these
The reciprocal of a negative rational number is
Negative rational number
Positive rational number
0 + ________ = 1/5.
-1/5
1/5
Multiplicative identity for any kind of number is
Additive inverse of 1/2 is
The multiplicative inverse of -5 is
5
-5