Grade 8 Maths Rational Number Multiple Choice Questions (MCQs)
1. Associative property is not followed in ……………… .
(a) whole numbers
(b) integers
(c) natural numbers
(d) none of these
2. …………………… is the identity for the addition of rational numbers.
(a) 1
(b) 0
(c) -1
(d)
3. ………………… is the multiplicative identity for rational numbers.
(a) 1
(b) 0
(c) -1
(d)
4. The additive inverse of is:
(a) 1
(b) 0
(c) –
(d)
5. What number should be added to to get ?
(a) –
(b) –
(c)
(d)
6. What number should be subtracted from – to get -2?
(a) –
(b) –
(c)
(d)
7. Which of the rational numbers is the smallest?
(a)
(b)
(c)
(d)
8. Rational number is equal to:
(a) 0.75
(b) 0.12
(c) 0.012
(d) 0.075
9. A rational number between and is
(a)
(b)
(c)
(d)
10. Find x such that
(a) -5
(b) -15
(c) -15
(d) none of these
11. Find x such that = 2
(a) 24
(b) -12
(c) -24
(d) none of these
12. Find x such that and are equivalent rational numbers.
(a) 3
(b) 9
(c) 8
(d) none of these
13. Find the value of
(a) -1
(b) 0
(c) 1
(d) none of these
14. The equivalent rational number of is
(a)
(b)
(c)
(d) none of these
15. Fill in the boxes with the correct symbol:
(a) >
(b) <
(c) =
(d) none of these
16. Fill in the boxes with the correct symbol:
(a) >
(b) <
(c) =
(d) none of these
17. Rewrite the rational number in the simplest form.
(a)
(b)
(c)
(d) none of these
18. Rewrite the rational number in the simplest form
(a)
(b)
(c)
(d) none of these
19. Write the next rational number in the pattern:
(a)
(b)
(c)
(d) none of these
20. Write the next rational number in the pattern:
(a)
(b)
(c)
(d) none of these
Class 8 Maths Rational Number Fill In The Blanks
1. Zero has ………………… reciprocal.
2. The numbers ……………….. and ……………….. are their own reciprocals.
3. The reciprocal of -5 is …………………… .
4. Reciprocal of , where x ≠ 0 is ………………. .
5. The product of two rational number is always a ……………. .
6. The reciprocal of a positive rational number is ……………… .
7. The additive inverse of is ………………… .
8. Reciprocal of is ……………… .
9. The reciprocal of a negative rational number is ……………… rational number.
10. The rational number ……………… is equal to its negative.
Class 8 Maths Rational Number Very Short Answer Type Questions
1. What is the additive inverse of ?
2. What is the multiplicative inverse of ?
3. Which number lies between and ?
4. Find the product of and the reciprocal of .
5. A tailor needs of a metre of cloth to stitch a blouse. It he wants to stitch 100 blouses how much cloth will be needed?
6. The sum of the additive inverse and multiplicative inverse of 3 is ………………. .
Class 8 Maths Rational Number Short Answer Type Questions
1. The number which is subtracted from to get is ………………. .
2. The value of x for which the two rational numbers , are equivalent.
3. of all the money in Salma’s bank account is ₹ 55,000. How much money does Salma have in her bank account?
4. Arrange the number , and in the ascending order.
Class 8 Maths Rational Number Long Answer Type Questions
1. Simplify:
2. The cost of 3 kg of wheat is ₹ 63. How much will 1 kg of wheat cost?
3. Season tickets usually cost ₹ 120 per person. For students, they are priced at of the normal cost. How much will 6 tickets will cost for students?