MCQ Questions for Class 8 Maths Chapter 1 Rational Numbers
MCQ Questions for Class 8 Maths Chapter 1 Rational Numbers with Answers
Board CBSE
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TextBook NCERT
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CLASS Class 8
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SUBJECT Maths
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CHAPTER Chapter 1
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SUBJECT Rational Numbers
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Topic Multiple Choice Questions
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Also Visit: 1.MCQ Class 8 Science
Question 1.
Among the following, which pairs are equivalent rational numbers
(a) and
(b) and
(c) and
(d) and
Answer
Answer 1:
(b) and
Question 2.
Write the multiplicative inverse of 8
(a) 0
(b) 8
(c) -8
(d)
Answer
Answer 2:
(d)
Question 3.
Write the multiplicative inverse of
(a) 27
(b) -27
(c)
(d) 0
Answer
Answer 3:
27
Question 4.
Which of the following statement is true
(a) all rational numbers are fraction
(b) all fraction are rational numbers
(c) all rational numbers are integers
(d) none of the above
Answer
Answer 4:
(b) all fraction are rational numbers
Question 5.
Among the following which statement is wrong
(a) all fraction are rational numbers
(b) all integers are rational numbers
(c) only the fractions are rational numbers
(d) none of the above
Answer
Answer 5:
(c) only the fractions are rational numbers
Question 6.
Write the additive inverse of 23
(a) 0
(b) -1
(c) -23
(d)
Answer
Answer 6:
(c) -23
Question 7.
Write the additive inverse of ⅞
(a) 7
(b) 8
(c)
(d)
Answer
Answer 7:
(d)
Question 8.
Write the equivalent rational number of ¼
(a)
(b)
(c)
(d)
Answer
Answer 8:
(a)
Question 9.
Reciprocal of a number is the number itself, the number is
(a) 1
(b) 2
(c) 0
(d) none of the above
Answer
Answer 9:
(a) 1
Question 10.
The equivalent rational number of with denominator 6 is
(a)
(b)
(c)
(d)
Answer
Answer 10:
(c)
Question 11.
When we reciprocal a positive rational number we get a
(a) positive rational number
(b) negative rational number
(c) the result will be zero
(d) none of the above
Answer
Answer 11:
(a) positive rational number
Question 12.
When we reciprocal a negative rational number we get a
(a) positive rational number
(b) negative rational number
(c) the result will be zero
(d) none of the above
Answer
Answer 12:
(b) negative rational number
Question 13.
Reciprocal of is
(a) a
(b) -a
(c) 0
(d) 1
Answer
Answer 13:
(a) a
Question 14.
Among the following which doesn't has reciprocal
(a) 1
(b) -1
(c) 0
(d) 2
Answer
Answer 14:
(c) 0
Question 15.
No of rational numbers in between 2 and 3
(a) zero
(b) one
(c) infinite
(d) two
Answer
Answer 15:
(c) infinite
Question 16.
Multiplicative inverse of -1 is
(a) 0
(b) 1
(c) -1
(d) none of the above
Answer
Answer 16:
(c) -1
Question 17.
integers are
(a) only positive numbers
(b) only negative numbers
(c) both positive and negative numbers
(d) none of the above
Answer
Answer 17:
(c) both positive and negative numbers
Because Z=( … .. . . -3, -2, -1, 0,1,2,3,...............)
Question 18.
A rational number can be expressed in form of
(a)
(b) pq
(c) p+q
(d) p-q
Answer
Answer 18:
(a)
Because, integers are expressed as form where p and q are integers and q not equal to zero.
Question 19.
The value of ×
is equal to
(a) 1
(b) 2
(c) 3
(d) 4
Answer
Answer 19:
(a) 1
Question 20.
The value of ÷
is
(a)
(b)
(c)
(d) 0
Answer
Answer 20:
(c)
Question 21.
Associative property is applicable for
(a) addition and subtraction
(b) addition and multiplication
(c) addition and division
(d) multiplication and division
Answer
Answer 21:
(b) addition and multiplication
Question 22.
The additive identity of rational numbers is
(a) 0
(b) -1
(c) 1
(d) 2
Answer
Answer 22:
(a) 0
Question 23.
The multiplicative identity of rational numbers is
(a) 0
(b) -1
(c) 1
(d) 2
Answer
Answer 23:
(c) 1
Question 24.
Which of the following is the reciprocal of the reciprocal of a rational number?
(a) -1
(b) 1
(c) 0
(d)
the number itself
Answer
Answer 24:
(c) the number itself
Question 25.
Which of the following is neither a positive nor a negative rational number?
(a) 1
(b) 0
(c) there is no such a number
(d) none of the above
Answer
Answer 25:
(b) 0
Question 26.
For any two rational numbers a and b, a +b = b +a is known as
(a) Commutative property
(b) Associative property
(c) Distributive property
(d) none of the above
Answer
Answer 26:
(a) Commutative property
Question 27.
Which of the following lies between -1 and 0?
(a) 2
(b)
(c) -
(d) none of the above
Answer
Answer 27:
(c) -
Question 28.
The rational number in between x and you is
(a)
(b)
(c)
(d) none of the above
Answer
Answer 28:
(a)
Question 29.
Between two given rational numbers, there is
(a) only one rational number
(b) only two rational number
(c) twenty rational numbers
(d) infinite rational numbers
Answer
Answer 29:
(d) infinite rational numbers
Question 30.
is a rational number, reciprocal of it is
(a) p
(b) q
(c)
(d)
Answer
Answer 30:
(d)
Question 31.
Which of the following statement is not true
(a) rational numbers are closed under addition
(b) rational numbers are closed under multiplication
(c) rational numbers are closed under division
(d) none of the above
Answer
Answer 31:
(c) rational numbers are closed under division
Question 32.
Zero is
(a) the identity for addition of rational numbers
(b) the identity for multiplication of rational numbers
(c) the identity for subtraction of rational numbers. rational numbers
(d) none of the above
Answer
Answer 32:
(a) the identity for addition of rational numbers
Question 33.
One is
(a) the identity for addition of rational numbers
(b) the identity for subtraction of rational numbers
(c) the identity for multiplication of rational numbers
(d) the identity for division of rational numbers
Answer
Answer 33:
(c) the identity for multiplication of rational numbers
Question 34.
If a + 0 = 0 + a = a, which is rational number, then 0 is called
(a) additive inverse of x
(b) reciprocal of x
(c) identity for addition of rational numbers
(d) multiplicative inverse of x
Answer
Answer 34:
(c) identity for addition of rational numbers
Question 35.
To get 1, we should multiplied
(a)
(b) 3
(c) 7
(d) 0
Answer
Answer 35:
(a)
