Question

5. In the set of whole numbers, '1' is called
(a) multiplicative identity
(b) additive identity
(c) additive inverse
(d) multiplicative inverse
6. If zero is added to the set of counting
numbers then they are said to be
(a) even numbers (b) odd numbers
(c) prime numbers (d) whole numbers
7. The sum of successors of the first five
natural numbers is
(a) 5 (b) 20
(c) 25 (d) 120
8. The sum of 26, its successor and its
predecessor is
(a) 78 (b) 52 (c) 72 (d) 60
9. The sum of successor and predecessor of
256 is
(a) 500
(b) 768
(c) 510 (d) 512
1​

Answer 1

Answer:

5.c

6.d

7.c(maybe)

8and 9 in the sameway too