Question

i. Rational Numbers are closed under:
(a) addition
(b) subtraction
(c) multiplication
(d) all of these
ii. What is the additive inverse of [-(-5)]?
(a)0
(b) 5
(c)-5
(d) +5
iii. Which number has no reciprocal ?
(a) 0
(b) 1
(c)0 and 1 both
iv. The product of two rational numbers is -
(a)rational (b) irrational (c) zero
(d) positive number
v.Rational numbers between two rational numbers are -
(a) finite
(b) infinite
(c) Both a and b
(d) None​

Answer 1

Answer:

i. (d)-All of these

ii. (d)- +5

iii. (a)- 0

iv. (a)- rational

v. (b)- infinite