## Class 7 Math Important Objective Chapter – 09 Rational Numbers

Here we are providing Class 7 Math Important Objective Chapter – 09 Rational Numbers because its very important for Class 7 students as we all know that every board exam question has MCQs so that students should practice these questions so that students can get good marks in board. Class 7 Math Important Objective Chapter – 09 Rational Numbers is an extremely important and its also a year in which students learn the fundamentals of concepts that help them lay a solid foundation for their higher education. Here we are providing in Class 7 Math Important Objective Chapter – 09 Rational Numbers 50+ questions  so that students practice more and more. If you want class wise Notes Then Click Here

## Class 7 Math Important Objective Chapter – 09 Rational Numbers

1. If 4/3 = x/12 then x = ………….

(a) 3

(b) 16

(c) 19

(d) 12

Ans-(b)

2. Rewrite −44/72 in the simplest form.

(a) -18/11

(b) -11/18

(c) -11/19

(d) -11/20

Ans-(c)

3. The rational number −21/28 in standard form is ……………

(a) −3/4

(b) 3/4

(c) 3/7

(d) −3/7

Ans-(a)

4. The numerator of the rational number 3/5 is

(a) 3

(b) 5

(c) 2

(d) 8

Ans-(a)

5. Which of the following rational numbers is not to equivalent to 3/5?

(a) 6/10

(b) −3/−5

(c) 9/15

(d) 12/24

Ans-(d)

6. The reciprocal of – 5 is ________

(a) 5

(b) -5

(c) -1/5

(d) None of these

Ans-(c)

7. The sum of 5/4 + (−25)/4 = …………………

(a) -5

(b) 5

(c) 4

(d) -4

Ans-(a)

8. The numerator of the rational number 1/100 is

(a) 100

(b) 1

(c) 10

(d) 99

Ans-(b)

9. The product of two numbers is -20/9. If one of the numbers is 4, find the other.

(a) –5/9

(b) 3/11

(c) 12/39

(d) –9/11

Ans-(a)

10. Which of the following cannot be a rational number?

(a) 0/5

(b) 0/−5

(c) 5/0

(d) -1

Ans-(c)

11. The denominator of the rational number 4/7 is

(a) 7

(b) 4

(c) 3

(d) 11

Ans-(a)

12. Write the rational number whose numerator is 4 × (– 7) and denominator is (3 –7) × (15 – 11).

(a) 16/28

(b) 8/13

(c) 13/8

(d) 28/16

Ans-(d)

13. The denominator of the rational number 7/13 is

(a) 13

(b) 7

(c) 6

(d) 91

Ans-(a)

14. The reciprocal of a negative rational number is

(a) always positive

(b) always negative

(c) always 1

(d) always 0.

Ans-(b)

15. Which of the following pairs represent the same rational number?

(a) −7/21 and 1/3

(b) 1/3 and −1/9

(c) −5/−9 and 5/−9

(d) 8/−5 and −24/15

Ans-(d)

16. The numerator of the rational number −3/4 is

(a) -3

(b) 3

(c) 4

(d) -4

Ans-(a)

17. If p/q and r/s are equivalent fraction, then we have

(a) p + s = q + r

(b) p ÷ s = q ÷ s

(c) pq = rs

(d) ps = rq

Ans-(d)

18. Which of the following is not a rational number(s)?

(a) −2/9

(b) 4/−7

(c) −3/−17

(d) 2/3

Ans-(d)

19. The numerator of the rational number −2/9 is

(a) -2

(b) 2

(c) -9

(d) 9

Ans-(a)

20. A rational number is a number that can be put in the form p/q, where p and q are:

(a) natural numbers and q 0

(b) whole numbers and q 0

(c) non-negative integers and q 0

(d) integers and q 0

Ans-(d)

21. The numbers ________ and ________ are their own reciprocals.

(a) -1 and 0

(b) 1 and 0

(c) 1 and -1

(d) None of these

Ans-(c)

22. The denominator of the rational number 5/−3 is

(a) 5

(b) -3

(c) 3

(d) 8

Ans-(b)

23. A fraction is a rational number, and a rational number:

(a) can never be a fraction.

(b) may or may not be a fraction.

(c) is also a fraction.

(d) can always be reduced to a fraction.

Ans-(b)

24. Which is the correct descending order of −2,4/−5,−11/20,3/4?

(a) 3/4 > −2 > −11/20 > 4/−5

(b) 3/4 > −11/20 > −4/5 > −2

(c) 3/4 > 4/−5 > −2 > −11/20

(d) 3/4 > 4/−5 >−11/20 > −2

Ans-(b)

25. The numbers used for counting objects are called :

(a) Natural numbers

(b) Whole numbers

(c) Integers

(d) None of these

Ans-(a)

26. The denominator of the rational number 3/−7 is

(a) 7

(b) -7

(c) 3

(d) -3

Ans-(b)

27. Reduce to standard form −36/24

(a) 6/4

(b) −3/2

(c) 4/6

(d) none of these

Ans-(b)

28. The product of two rational numbers is always a _____.

(a) integer

(b) rational number

(c) natural number

(d) whole number

Ans-(b)

29. The numerator of the rational number −2/−5 is

(a) 2

(b) -2

(c) 5

(d) -5

Ans-(b)

30. Fractions are in the form of:

(a) numerator/0

(b) numerator/denominator

(c) denominator/numerator

(d) None of these

Ans-(b)

31. Associative property is not followed in _____

(a) integers

(b) whole numbers

(c) rational numbers

(d) natural numbers

Ans-(d)

32. the numerator of the rational number −5/−3 is

(a) -5

(b) 5

(c) -3

(d) 3

Ans-(a)

33. Which of the rational number is positive?

(a) 3/7

(b) -5/7

(c) -4/7

(d) -3/7

Ans-(a)

34. The denominator of the rational number −2/−9 is

(a) -2

(b) 2

(c) 9

(d) -9

Ans-(d)

35. What is the result of 2 − 11/39 + 5/26?

(a) 149/39

(b) 149/78

(c) 149/76

(d) 149/98

Ans-(b)

36. Rational number between -2 and -1.

(a) 3/2

(b) 3

(c) −3/2

(d) none of these

Ans-(c)

37. The denominator of the rational number −6/−5 is

(a) 6

(b) -6

(c) 5

(d) -5

Ans-(d)

38. Write correct symbol −5/7 2/3

(a) < (b) >

(c) =

(d) none of these

Ans-(a)

39. ____ is the identity for the addition of rational numbers.

(a) 0

(b) 1

(c) -1

(d) None of these

Ans-(a)

40. The numerator of the rational number 0 is

(a) 0

(b) 1

(c) 2

(d) 3

Ans-(a)

41. Additive inverse of 4/7 is :

(a) −4/7

(b) −4/−7

(c) 7/4

(d) none of these

Ans-(a)

42. The rational number 9/1 in integer is _____.

(a) 0

(b) 9

(c) -9

(d) 1

Ans-(b)

43. The denominator of the rational number 0 is

(a) 0

(b) 1

(c) -1

(d) any non-zero integer

Ans-(d)

44. Reduce  − 63/99  to the standard form.

(a) 11/7

(b) -7/11

(c) ​7/11

(d) None of these

Ans-(b)

45. The numerator of a rational number 8 is

(a) 2

(b) 4

(c) 6

(d) 8

Ans-(d)

46. If −4/7 = −32/x, what is the value of x?

(a) 56

(b) −56

(c) ​46

(d) −46

Ans-(a)

47. The denominator of the rational number 8 is

(a) 8

(b) 2

(c) 4

(d) 1

Ans-(d)

48. What number should be added to (7/12) to get (4/15) ?

(a) -19/60

(b) -19

(c) 1/2

(d) None of these

Ans-(a)

49. The numerator of the rational number – 9 is

(a) -9

(b) 9

(c) 1

(d) -1

Ans-(a)

50. What is the average of the two middle rational numbers if 4/7,1/3,2/5 and 5/9 are arranged in ascending order?

(a) 80/90

(b) 86/45

(c) 43/45

(d) 43/90

Ans-(d)

51. If 3/4 = ?/12, then ? =

(a) 3

(b) 6

(c) 9

(d) 12

Ans-(c)