Class 10th Chapter Test
Class 10th CBSE free mock test for chapter -1
Q:1 Which of the following is irrational number.
a) 2
b) 3
c) 4
d) √ 3
Ans √ 3
Q:2 HCF of 32 and 36
a) 2
b) 3
c) 4
d) 5
Ans 4
Q:3 Which of the following is not a prime number
a) 2
b) 3
c) 4
d) 5
Ans 4
Q:4 Smallest prime number is
a) 2
b) 3
c) 4
d) 5
Ans 2
Q:5 The prime factorisation of 32 is
a) 2^5
b) 2^3
c) 2^4
d) 2^3*3
Ans) 2^5
Q:6 The sum or difference of two irrational numbers is always
a) Prime
b) Rational
c) Irrational
d) Not determined
Ans) Irrational
Q:7 If the HCF of 65 and 117 is expressible in the form 65m – 117, then the value of m is
a) 8
b) 5
c) 2
d) 7
Ans ) 2
Q:8 HCF of any three consecutive numbers
a) Always 1
b) Always 2
c) Always Prime no
d) Always Odd Number
Ans Always 1
Q:9 The product of a rational and rational number is
a) Irrational
b) Rational
c) Prime
d) Even
Ans) Rational
Q:10 Which of the following divisible by 3
a) 121
b) 122
c) 123
d) 124
Ans 123
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