 |
| Maths Quiz for Class 7 Decimals |
In this post, you will find 20 online maths quiz questions
for class 7 decimals. Online maths quiz will take around 20 minutes to complete
it.
Question 1: 475/100 can be written in decimal form as ___________.
A) 0.475
B) 47.5
C) 4.75
D) 47500
Explanation: 475/100 = 4.75
Question 2: The decimal 3.2 can be written in fraction form as __________.
A) 32/10
B) 32/100
C) 32/1000
D) 3.2/10
Explanation: 3.2 = 32/10
Question 3: 300 + 60 + 1 + 9/10 + 4/1000 = ___________
A) 361.904
B) 361.94
C) 361.094
D) 361.409
Explanation: 300 + 60 + 1 + 9/10 + 4/1000 = 361.904
Question 4: The place value of 2 in 473.925 is _________.
A) 2/10
B) 2/100
C) 2/1000
D) 200
Explanation: The place value of 2 in 473.925 is 2/100.
Question 5: 68 rupees and 5 paise can be written in rupees as ____________.
A) ₹ 68.5
B) ₹ 68.05
C) ₹ 680.5
D) ₹ 6.805
Explanation: 68 rupees and 5 paise = ₹ 68 + ₹ 0.05 = ₹ 68.05
Question 6: 45 cm = __________ m
A) 450
B) 4.5
C) 0.45
D) 0.045
Explanation: Since 100 cm = 1 m. Therefore, 45 cm = 45/100 m = 0.45 m
Question 7: 674 g = _________ kg
A) 6.74
B) 0.674
C) 67.4
D) 0.0674
Explanation: Since 1000 g = 1 kg. Therefore, 674 g = 674/1000 kg = 0.674 kg
Question 8: 587.21 × 10 = __________
A) 5.8721
B) 58721
C) 58.721
D) 5872.1
Explanation: 587.21 × 10 = 5872.1
Question 9: 34.759 × 100 = __________
A) 3475.9
B) 34759
C) 347.59
D) 3.4759
Explanation: 34.759 × 100 = 3475.9
Question 10: 17.5934 × 1000 = ___________
A) 175.934
B) 1759.34
C) 17593.4
D) 175934
Explanation: 17.5934 × 1000 = 17593.4
Question 11: 2.35 × 5.4 = _________
A) 12.609
B) 12.69
C) 12.069
D) 126.90
Explanation: 2.35 × 5.4 = 12.690
Question 12: The cost of 1 kg of sugar is ₹ 45.50. Find the cost of 12 kg of sugar.
A) ₹ 54.6
B) ₹ 546
C) ₹ 5.46
D) ₹ 5460
Explanation: The cost of 12 kg of sugar = ₹ 45.50 × 12 = ₹ 546
Question 13: The length and the breadth of a rectangle are 8.5 cm and 6.5 cm. Find its area.
A) 55.25 sq. cm
B) 5525 sq. cm
C) 552.5 sq. cm
D) 5.525 sq. cm
Explanation: Area of a rectangle = length × breadth = 8.5 × 6.5 = 55.25 sq. cm
Question 14: 4756.3 ÷ 1000 = ___________
A) 47.563
B) 475.63
C) 0.47563
D) 4.7563
Explanation: 4756.3 ÷ 1000 = 4.7563
Question 15: 2916.43 ÷ 100 = ___________
A) 0.291643
B) 2.91643
C) 29.1643
D) 291.643
Explanation: 2916.43 ÷ 100 = 29.1643
Question 16: 821.574 ÷ 10 = _________
A) 8.21574
B) 82.1574
C) 8215.74
D) 0.821574
Explanation: 821.574 ÷ 10 = 82.1574
Question 17: 374.25 ÷ 15 = _________
A) 14.95
B) 149.5
C) 1495
D) 1.495
Explanation: 374.25 ÷ 15 = 14.95
Question 18: 45.6926 ÷ 1.78 = ____________
A) 2567
B) 256.7
C) 25.67
D) 2.567
Explanation: 45.6926 ÷ 1.78 = 25.67
Question 19: The area of a rectangle is 51.75 sq. cm. If its length is 7.5 cm, then find its breadth.
A) 6.8 cm
B) 6.9 cm
C) 6.7 cm
D) 6.6 cm
Explanation: Breadth of the rectangle = Area ÷ length = 51.75 ÷ 7.5 = 6.9 cm
Question 20: The cost of 13 kg of flour is ₹ 500.50. Find the cost of 1 kg of flour.
A) ₹ 36.50
B) ₹ 3.85
C) ₹ 38.50
D) ₹ 385
Explanation: The cost of 13 kg of flour is ₹ 500.50 = ₹ 500.50 ÷ 13 = ₹ 38.50
Report Card
Total Questions Attempted: 0
Correct Answers: 0
Wrong Answers: 0
Percentage: 0%