Rational Numbers MCQ Questions Class 7 Maths Chapter 9
NCERT MCQ Questions for Class 7 Maths Chapter 9 Rational Numbers. Rational Numbers MCQ Questions with Answers from Class 7 Maths
Rational Numbers MCQ Questions Class 7 Maths Chapter 9
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Chapter – 9
Rational Numbers
Question 1:
Reduce to standard form of -4/-16
(a) 2/4
(b) 3/5
(c) -2/-4
(d) ¼
Ans:
HCF of 4 and 16 is 4
Thus, -4/-16 = -4 ÷ (-4)/-16 ÷ (-4) = ¼
Question 2:
Reduce to standard form 72/-48
(a) 3/-2
(b) 3/2
(c) 2/3
(d) -2/3
Ans:
HCF of 72 and 48 is 24 = 24
(a) 3/-2, thus, 72/-48
= 72÷24/-48÷24
= 3/-2
Question 3:
Give one rational numbers between 0 and -1
(a) -5/2
(b) -1/2
(c) -9/2
(d) 9/2
Ans:
(b) -1/2,
Only -1/2 form -1/2 given option ii between -1 and 0.
Question 4:
Give rational numbers equivalent to -4/9
(a) 81/-36
(b) -25/16
(c) 16/25
(d) -36/81
Ans:
(d) -36/81, -36/81 = -36÷9/81÷9 = -4/9
-36/81 is equivalent to -4/9
Question 5:
Which of the following pairs represent the same rational number?
(a) -2/3 and 4/9
(b) -1/-2 and -3/-2
(c) 5/4 and 25/20
(d) 6/12 and -1/2
Ans:
(c) 5/4 and 25/20,
25/20 = 25÷5/20÷5
= 5/4
5/4 and 25/20 are same rational numbers.
Question 6:
Rewrite the national numbers in the simplest form -55/22
(a) 7/2
(b) 5/2
(c) -5/2
(d) 11/2
Ans:
(c) -5/2,
-55/22 = -55÷11/22÷11 = -5/2
Question 7:
Fill the box -2/3 ▭ 4/6
(a) >
(b <
(c) ≥
(d) =
Ans:
< (d) -2/3 < 4/6
4/6 is greater than -2/3
- In case you have missed:- Next Chapter MCQ Questions
Question 8:
Which is greater in each of the following?
(a) -2/3
(b) 3/2
(c) -4/2
(d) 9/2
Ans:
(d) 9/2 the value of 9/2 is greater than all the option.
Question 9:
Find the sum 6/4 + (-11/4)?
(a) 4/5
(b) -5/4
(c) 6/3
(d) -2/3
Ans:
-5/4 (b)
6+4 (-11/4)
= 6/4 + (-11)
= 6-11/4
= -5/4
Both denominator are same
Question 10:
Find -3/4 + 7/11
(a) -5/44
(b) -1/11
(c) -2/44
(d) 3/-44
Ans:
(a) -5/44
-3×11/4×11 + 7×4/11×4
= -33+28/44
= -5/44
Question 11:
Find 9/4 × (-8/3) =?
(a) -6/1
(b) -6/5
(c) 4/5
(d) 5/2
Ans:
(a) -6/1
9/4 × (-8)/3
= 9 × (-8)/4×3
= -72/12
= 12×(-6)/12×1
= -6/1
Question 12:
Find the value of 3/13 ÷ (-4)/65
(a) 5/4
(b) -15/4
(c) 7/3
(d) -8/3
Ans:
(b) -15/4,
3/13 × 65/(-4) = 65×3/13×(-4)
= (13×5) ×3/(13×1) ×(-4)
= 15/4
Question 13:
Find -2 1/8 – 6 =?
(a) -63/8
(b) -5/2
(c) 63/8
(d) 5/2
Ans:
(a) -63/8
-2 1/8 – 6 = -16+1/8 – 6
= -15/8 – 6 = -15-48/8 = -63/8
Question 14:
Find the produced 11/5 × 3/8 =?
(a) 33/40
(b) 33/11
(c) ¾
(d) 4/3
Ans:
(a) 33/40
11/5 × 3/8 = 11×3/5×8 = 33/40
Question 15:
Find the value of -7/9 ÷ 4/81
(a) 5/2
(b) 72/3
(c) 63/4
(d) -63/4
Ans:
= -7/9 ÷ 4/81
= -7/9 × 81/4
= -7×(9×9)/(9×1) ×4
= -63/4 (d)
- In case you have missed:- Next Chapter MCQ Questions
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