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๐Ÿงฎ 20-question Class 7 maths quiz

Maths quiz for Class 7: 20 questions with instant answers

Test your Class 7 maths: integers, two-step equations, percentage change, circles, simple interest and profit and loss. Tap an answer to see at once whether you are right, read the explanation and see your score at the end. The questions change in the same way as a worksheet, so replay for more.

Updated 21 October 2026. Every question is checked and every answer is explained.

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How to play

  • Use paper for the longer ones and do not guess.
  • Read the explanation after every answer.
  • Take it again after a week and try to beat your score.

Question 1 of 20

See all 20 questions and answers
  1. Work out: Solve 5x โˆ’ 20 = 35. x 11. The answer is 11. Undo the adding or subtracting first, then undo the multiplying or dividing.
  2. Work out: 4 ร— (โˆ’2) โˆ’8. The answer is โˆ’8. Same signs give a positive answer, different signs give a negative answer.
  3. Increase 340 by 10%: 374. The answer is 374. To increase by 20%, multiply by 1.2. To decrease by 20%, multiply by 0.8.
  4. Find the simple interest on โ‚น4,000 at 10% per year for 1 years. (in โ‚น) 400. The answer is 400.
  5. Area of a circle with radius 3 cm (use 3.14): 28.26. The answer is 28.26. Circumference = 2 ร— ฯ€ ร— radius, and area = ฯ€ ร— radius ร— radius. Do not mix up the two.
  6. A shopkeeper buys a bag for โ‚น60 and sells it for โ‚น57. His loss percent is โ€ฆ 5. The answer is 5.
  7. A triangle has sides 13 cm, 7 cm and 13 cm. Its perimeter is (cm) 33. The answer is 33.
  8. If 9 kg of rice cost โ‚น126, the cost of 4 kg of rice is (in โ‚น) 56. The answer is 56.
  9. Work out: Solve 8x โˆ’ 3 = 101. x 13. The answer is 13. Undo the adding or subtracting first, then undo the multiplying or dividing.
  10. Work out: 6 ร— (โˆ’6) โˆ’36. The answer is โˆ’36. Same signs give a positive answer, different signs give a negative answer.
  11. Decrease 140 by 10%: 126. The answer is 126. To increase by 20%, multiply by 1.2. To decrease by 20%, multiply by 0.8.
  12. A sum of โ‚น9,500 earns โ‚น1,900 simple interest at 5% per year. The time (in years) is โ€ฆ 4. The answer is 4.
  13. Circumference of a circle with radius 4 cm (use 3.14): 25.12. The answer is 25.12. Circumference = 2 ร— ฯ€ ร— radius, and area = ฯ€ ร— radius ร— radius. Do not mix up the two.
  14. A trader buys a table for โ‚น440 and sells it for โ‚น660. His profit percent is โ€ฆ 50. The answer is 50.
  15. The perimeter of a rectangle 29 cm long and 26 cm wide is (cm) 110. The answer is 110.
  16. If 5 pens cost โ‚น115, the cost of 18 pens is (in โ‚น) 414. The answer is 414.
  17. Work out: Solve 9x + 9 = 99. x 10. The answer is 10. Undo the adding or subtracting first, then undo the multiplying or dividing.
  18. Work out: โˆ’11 ร— 5 โˆ’55. The answer is โˆ’55. Same signs give a positive answer, different signs give a negative answer.
  19. Increase 320 by 50%: 480. The answer is 480. To increase by 20%, multiply by 1.2. To decrease by 20%, multiply by 0.8.
  20. A sum of โ‚น6,000 earns โ‚น2,160 simple interest at 12% per year. The time (in years) is โ€ฆ 3. The answer is 3.

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FAQ

Maths quiz for Class 7: questions people ask

What does the Class 7 maths quiz cover?

It covers integers, two-step equations, percentage change, circles, simple interest and profit and loss. Chapter names and order differ by board and textbook, so use it alongside your own book.

Are the answers correct?

Yes. Every question is made by code that also works out the answer, and automated tests check the questions and answers.

Can I print it?

The quiz runs on screen. For a printable sheet with an answer key use our free worksheets.

What should I practise next?

Open the maths topic pages for notes, solved examples and more practice questions.

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