SEBA Class 9 Mathematics MCQ Chapter 1 Number System Question Answer in English Medium, Class 9 General Maths Multiple Choice Question Answer in English to each chapter is provided in the list so that you can easily browse throughout different chapters SEBA Class 9 Mathematics MCQ Chapter 1 Number System Notes and select need one.
SEBA Class 9 Mathematics MCQ Chapter 1 Number System
Also, you can read the SCERT book online in these sections Solutions by Expert Teachers as per SCERT (CBSE) Book guidelines. These solutions are part of SCERT All Subject Solutions. Here we have given Assam SEBA Class 9 Mathematics MCQ Chapter 1 Number System Solutions for All Subject, You can practice these here.
Number System
Chapter – 1
| MCQ |
1. Which of the following pair of numbers is co-prime?
(a) 6 and 8
(b) 14 and 21
(c) 18 and 35
(d) 39 and 65
Ans: (c) 18 and 35
2 Every rational number is:
(a) Whole number
(b) Natural number
(c) Integer
(d) Real number
Ans: (d) Real number.
3. 𝝿 is,
(a) a rational number
b) an irrational number
(c) a whole number
(d) an integer
Ans: (b) an irrational number.
4. 2 √(3) is ,
(a) a rational number
(b) an irrational number
(c) an integer
(d) natural number
Ans: (b) an irrational number.
5.) √9 is __________ number.
(a) A rational
(b) An irrational
(c) Neither rational nor irrational
(d) None of the above
Ans: (a) A rational.
6. Which of the following is an irrational number?
(a) 0.14
(b) 0.141 overline 6
(c) 0. overline 1416
(d) 0.4014001400014……
Ans: (d) 0.4014001400014
7. Which of the following is an irrational number?
(a) √11
(b) √5
(C) √22.5
(d) √12.5
Ans: (b) √5
8. Find the value of 3√54/250
(a) 9/25
(b) 3/5
(C) 27/125
(d) 3√2/5
Ans: (b) 3/5
9. When 15√15 is divided by 3√3, find the quotient.
(a) 5√3
(b) 3√5
(c) 5√5
(d) 3√3
Ans: (c) 5√5
10. √12 x √8 is equal to
(a) 2√6
(b) 3√6
(c) 4√6
(d) 6√6
Ans: (c)√6
11. A rational number between √2 and √3
(a) 1.9
(b) (√2 .√3)/ 2
(c) 1.5
(d) 1.8
Ans: (c) 1.5
12. If x = 1 /√(2-1)
then the value of x + 1/x is
(a) 1
(b) 2
(c) √2
(d) 2 √2
Ans: (d) 2 √2
13. 0.001 when expressed in the form
p/q (p, q are integers, q 0) is
(a) 1/1000
(b) 1/100
(c) 1/1999
(d) 1/999
Ans: (d) 1/999
14. The value of (2 + √2)(2 – √2) is –
(a) 0
(b) 5
(c) 2
(d) 8
Ans: (c) 2
15. The decimal representation of the rational number is
(a) Always terminating.
(b) Either terminating or repeating.
(c) Either terminating or non-repeating.
(d) Neither terminating nor repeating.
Ans: (b) Either terminating or repeating.
16. If 8x = 64/(2x), than find the value of x
(a) 1
(b) 2
(c) 1/2
(d) 3/2
Ans: (d) 3/2
17. Which of the following is a prime number?
(a) 21
(b) 33
(c) 37
(d) 39
Ans: (c) 37
18. The decimal form of 1/500 is
(a) 0.002
(b) 0.02
(c) 0.2
(d) 0.005
Ans: (a) 0.002
19. The number 0. overline 3 in the form p/q where p and q are integer and q ne 0 is
(a) 33/100
(c) 1/3
(b) 3/10
(d) 3/100
Ans: (c) 1/3
20. If x (a / b) = 1 then value of a is
(a) 0
(b) 1
(c) -1
(d) none of
Ans: (a) 0
