A rational number between 3/4 and 4/5 is
16/40
17/40
18/40
31/40
Additive inverse of - 5/7 is
0
1
-7/5
5/7
Multiplicative identity for rational numbers is ------- .
1/10
10
Multiplicative inverse of 2/5 is
5/2
-5/2
-2/5
2/5
(-2)-2 is equal to
1/2
1/4
-1/2
-1/4
Name the property under addition used in 4/9+(7/8+1/2)=(4/9+7/8)+1/2.
Associative property
Distributive property
Commutative property
None of these
(1-1/2) + (3/4-1/4) =
3/4
2/9 + 4/9 = 6/9=2/3 is a rational number. The property used here is
Closure property
Identity Property
The unit digit of the cube of the number 50 is
5
4
(-2)-5 X (-2)6 is equal to
-2
2
-5
6
