Rational Numbers Class 7 MCQs
Question 1.
The numerator of the rational number 3/5 is
(a) 3
(b) 5
(c) 2
(d) 8
Answer: (a) 3
Question 2.
The numerator of the rational number 1/100 is
(a) 100
(b) 1
(c) 10
(d) 99
Answer: (b) 1
Question 3.
The denominator of the rational number 4/7 is
(a) 7
(b) 4
(c) 3
(d) 11
Answer: (a) 7
Question 4.
The denominator of the rational number 7/13 is
(a) 13
(b) 7
(c) 6
(d) 91
Answer: (a) 13
Question 5.
The numerator of the rational number −3/4 is
(a) -3
(b) 3
(c) 4
(d) -4
Answer: (a) -3
Question 6.
The numerator of the rational number −2/9 is
(a) -2
(b) 2
(c) -9
(d) 9
Answer: (a) -2
Question 7.
The denominator of the rational number 5/−3 is
(a) 5
(b) -3
(c) 3
(d) 8
Answer: (b) -3
Question 8.
The denominator of the rational number 3/−7 is
(a) 7
(b) -7
(c) 3
(d) -3
Answer: (b) -7
Question 9.
The numerator of the rational number −2/−5 is
(a) 2
(b) -2
(c) 5
(d) -5
Answer: (b) -2
Question 10.
the numerator of the rational number −5/−3 is
(a) -5
(b) 5
(c) -3
(d) 3
Answer
Answer: (a) -5
Question 11.
The denominator of the rational number −2/−9 is
(a) -2
(b) 2
(c) 9
(d) -9
Answer: (d) -9
Question 12.
The denominator of the rational number −6/−5 is
(a) 6
(b) -6
(c) 5
(d) -5
Answer: (d) -5
Question 13.
The denominator of the rational number −13/−11 is
(a) -13
(b) 13
(c) 11
(d) -11
Answer: (d) -11
Question 14.
The numerator of the rational number 0 is
(a) 0
(b) 1
(c) 2
(d) 3
Answer: (a) 0
Question 15.
The denominator of the rational number 0 is
(a) 0
(b) 1
(c) -1
(d) any non-zero integer
Answer: (d) -1
Question 16.
The numerator of a rational number 8 is
(a) 2
(b) 4
(c) 6
(d) 8
Answer: (d) 8
Question 17.
The denominator of the rational number 8 is
(a) 8
(b) 2
(c) 4
(d) 1
Answer: (d) 1
Question 18.
The numerator of the rational number – 9 is
(a) -9
(b) 9
(c) 1
(d) -1
Answer: (a) -9
Question 19.
The denominator of the rational number – 9 is
(a) -9
(b) 9
(c) -1
(d) 1
Answer: (d) 1
Question 20.
If 3/4 = ?/12, then ? =
(a) 3
(b) 6
(c) 9
(d) 12
Answer: (c) 9
Hint:
3/4 = 3×3/4×3 = 9/12
Question 21.
if 4/5 = 12/?, then ? =
(a) 5
(b) 10
(c) 15
(d) 25
Answer
Answer: (c) 15
Hint:
45 = 4×35×3 = 1215
Question 22.
if −4/7 = ?/14, then ? =
(a) -4
(b) -8
(c) 4
(d) 8
Answer: (b) -8
Hint:
−4/7 = −4×2/7×2 = −8/14
Question 23.
if −7/11 = 14/?, then ? =
(a) 11
(b) -11
(c) 22
(d) -22
Answer
Answer: (d) -22
Hint:
−7/11 = −7×−2/11×−2 = 14/−22
Question 24.
if −3/−5 = 9/?, then ? =
(a) 15
(b) -15
(c) 9
(d) -9
Answer
Answer: (a) 15
Hint:
−3/−5 = −3×−3/−5×−3 = 9/15
Question 25.
if −8/−9 = −16/?, then ? =
(a) 18
(b) -18
(c) 9
(d) -9
Answer
Answer: (b) -18
Hint:
−8/−9 = −8×3/−9×2 = −16/−18
Question 26.
Which of the following is a negative rational number?
(a) 1/2
(b) 3/4
(c) −4/−5
(d) 2/−3
Answer: (d) 2/−3
Hint:
−4/−5 = 4/5
Question 27.
Which of the following is a positive rational number?
(a) −1/2
(b) 2/−3
(c) −3/−4
(d) -5
Answer
Answer: (c) −3/−4
Hint:
−3/−4 = 3/4
Question 28.
The rational number 12/40 in standard 40 form is
(a) 3/10
(b) 6/10
(c) 3/20
(d) 6/20
Answer
Answer: (a) 3/10
Hint:
12/40 = 12÷4/40÷4 = 3/10
Question 29.
The rational number −21/28 in standard form is
(a) −3/4
(b) 3/4
(c) 3/7
(d) −3/7
Answer: (a) −3/4
Hint:
−21/28 = −21÷7/28÷7 = −3/4
Question 30.
The rational number −6/−25 in standard form is
(a) 6/25
(b) −6/25
(c) 6/−25
(d) −6/25
Answer
Answer: (a) 6/25
Hint:
−6/−25 = −6×−1/−25×−1 = 6/25
Question 31.
Which of the following rational numbers -2 is equivalent to −2/5 ?
(a) −4/10
(b) −2/10
(c) −4/5
(d) −6/25
Answer: (a) −4/10
Hint:
−2/5 = −2×2/5×2 = −4/10
Question 32.
Which of the following rational numbers is not equivalent to 7/−4 ?
(a) 14/−8
(b) 21/−12
(c) 28/−16
(d) 7/−8
Answer
Answer: (d) 7/−8
Hint:
7/−4 = 7×2/−4×2 = 14/−8 ≠ 7/−8
Question 33.
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
Answer: (d) 12/24
Question 34.
Which of the following is correct?
(a) 1/−2 > −1/3
(b) 1/−2 < −1/3
(c) 1/−2 = −1/3
(d) None of these
Answer
Answer: (b) 1/−2 < −1/3
Question 35.
Which of the following is correct?
(a) 0 > −4/9
(b) 0 < −4/9
(c) 0 = 4/9
(d) None of these
Answer: (a) 0 > −4/9
Question 36.
Which of the following is correct?
(a) –4/5 < – 3/10
(b) –4/5 > – 3/10
(c) –4/5 = – 3/10
(d) None of these
Answer: (a) –4/5 < – 3/10
Question 37.
The reciprocal of −2/5 is
(a) −5/2
(b) 5/2
(c) 2/5
(d) −2/5
Answer: (a) −5/2
Question 38.
The sum 5/4 + (- 25/4) =
(a) -5
(b) 5
(c) 4
(d) -4
Answer: (a) -5
Question 39.
The sum –3/4 + 0 =
(a) 3/4
(b) –3/4
(c) 1
(d) 0
Answer: (b) –3/4
Question 40.
17/11 – 6/11 =
(a) 1
(b) -1
(c) 6
(d) 3
Answer: (a) 1
Question 41.
2/−5 × −5/2 =
(a) 1
(b) -1
(c) 2
(d) -5
Answer: (a) 1
