Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 720 · 40 sums

The method (Read, plan, check): Find the type of question first: power, square or cube, equation, identity, area or interest? Use the method from that lesson, step by step. Check: square or cube your root back, put equation answers back in, and work interest year by year.

1. 1.Write 7.5 × 10⁻² as a decimal. =
2. 2.A trapezium has parallel sides of 20 cm and 3 cm, and the distance between them is 8 cm. What is its area (in square cm)?
3. 3.What is the difference between the compound interest and the simple interest on ₹37500 at 8% per year for 2 years (in ₹)?
4. 4.The diagonals of a rhombus are 8 cm and 29 cm. What is its area (in square cm)?
5. 5.What is the value of 2¹⁶? =
6. 6.A room is 11 m long, 6 m wide and 5 m high. What is the area of its four walls (in square m)?
7. 7.A town has 51500 people. The population grows by 5% every year. What will the population be after 1 year?
8. 8.A trapezium has parallel sides of 4 cm and 23 cm, and the distance between them is 6 cm. What is its area (in square cm)?
9. 9.Each edge of a cube is 13 cm. What is its total surface area (in square cm)?
10. 10.Write (6²)⁷ as a single power 6ⁿ. What is n?
11. 11.What is the value of 6²? =
12. 12.The total surface area of a cube is 864 square cm. How long is each edge (in cm)?
13. 13.A cuboid is 6 cm long, 8 cm wide and 6 cm high. What is its total surface area (in square cm)?
14. 14.Use (a + b)² = a² + 2ab + b² to find 24².
15. 15.A town has 31300 people. The population grows by 25% every year. What will the population be after 1 year?
16. 16.A trapezium has an area of 180 square cm. Its parallel sides are 28 cm and 8 cm. What is the distance between them (in cm)?
17. 17.Solve: x/2 + x/4 = 24. What is x?
18. 18.A scooter is worth ₹25300. Its value falls by 12% every year. What will it be worth after 1 year (in ₹)?
19. 19.1.2 × 10² =
20. 20.Write (9³)⁷ as a single power 9ⁿ. What is n?
21. 21.A room is 12 m long, 4 m wide and 3 m high. What is the area of its four walls (in square m)?
22. 22.The length of a rectangle is 1 cm more than its width. Its perimeter is 50 cm. What is its width (in cm)?
23. 23.How many whole numbers lie between 34² and 35²?
24. 24.What is the difference between the compound interest and the simple interest on ₹37500 at 12% per year for 2 years (in ₹)?
25. 25.How many whole numbers lie between 36² and 37²?
26. 26.How many whole numbers lie between 28² and 29²?
27. 27.What is 70²? =
28. 28.The sum of two consecutive whole numbers is 37. What is the largest of them?
29. 29.What is √4096? =
30. 30.Solve: 7x + 20 = 3x + 40. What is x?
31. 31.Which of these is a perfect cube? (a) 268 (b) 244 (c) 216
32. 32.What is the value of 2¹¹? =
33. 33.A father is 15 years older than his son. In 3 years, the father will be twice as old as his son. How old is the son now?
34. 34.A scooter is worth ₹7400. Its value falls by 10% every year. What will it be worth after 1 year (in ₹)?
35. 35.A father is 51 years older than his son. In 8 years, the father will be four times as old as his son. How old is the son now?
36. 36.Write 5.3 × 10⁻² as a decimal. =
37. 37.What is the value of 3³? =
38. 38.What is the smallest whole number by which 56 must be multiplied to get a perfect square?
39. 39.Write 4.9 × 10⁻¹ as a decimal. =
40. 40.Find the compound interest on ₹9100 at 20% per year for 1 year, compounded every year (in ₹).

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