REAL NUMBERS mcq's

REAL NUMBERS

1. HCF of 8, 9, 25 is

(a) 8
(b) 9
(c) 25
(d) 1
Ans: (d) 1

2. Which of the following is not irrational?

(a) (2 – √3)2
(b) (√2 + √3)2
(c) (√2 -√3)(√2 + √3)
(d) 27√7
Ans: (d) 1

3. The product of a rational and irrational number is

(a) rational
(b) irrational
(c) both of above
(d) none of above

1- HCF of 8, 9, 25 is

(a) 8
(b) 9
(c) 25
(d) 1

1- HCF of 8, 9, 25 is

(a) 8
(b) 9
(c) 25
(d) 1

1- HCF of 8, 9, 25 is

(a) 8
(b) 9
(c) 25
(d) 1

1- HCF of 8, 9, 25 is

(a) 8
(b) 9
(c) 25
(d) 1

1- HCF of 8, 9, 25 is

(a) 8
(b) 9
(c) 25
(d) 1

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