Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 352 · 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.What is 93²? =
2. 2.A cube has a volume of 8 cubic cm. How long is each edge (in cm)?
3. 3.The length of a rectangle is 12 cm more than its width. Its perimeter is 40 cm. What is its width (in cm)?
4. 4.Write 8⁹ ÷ 8² as a single power 8ⁿ. What is n?
5. 5.Write 13,000 in standard form as 1.3 × 10ⁿ. What is n?
6. 6.What amount will ₹16300 grow to in 2 years at 20% per year compound interest (in ₹)?
7. 7.What amount will ₹33600 grow to in 2 years at 25% per year compound interest (in ₹)?
8. 8.A town has 16000 people. The population grows by 25% every year. What will the population be after 3 years?
9. 9.What is 7³? =
10. 10.The total surface area of a cube is 1350 square cm. How long is each edge (in cm)?
11. 11.Solve: 8x + 8 = 4x + 64. What is x?
12. 12.What is 30²? =
13. 13.What is the value of 10⁻¹ (as a fraction)? =
14. 14.Which of these is a perfect square? (a) 144 (b) 150 (c) 145
15. 15.The total surface area of a cube is 1176 square cm. How long is each edge (in cm)?
16. 16.What is the value of 10³ × 10⁻⁶? =
17. 17.Which of these is a perfect square? (a) 550 (b) 529 (c) 566
18. 18.If a + b = 5 and ab = 4, what is a² + b²?
19. 19.Each edge of a cube is 18 cm. What is its total surface area (in square cm)?
20. 20.Use (a + b)² = a² + 2ab + b² to find 19².
21. 21.The length of a rectangle is 5 cm more than its width. Its perimeter is 94 cm. What is its width (in cm)?
22. 22.Which of these is a perfect cube? (a) 1903 (b) 2028 (c) 1728
23. 23.What is the sum of the first 6 odd numbers (1 + 3 + 5 + …)?
24. 24.A room is 3 m long, 4 m wide and 5 m high. What is the area of its four walls (in square m)?
25. 25.What is ∛2744? =
26. 26.A square garden has an area of 900 square m. How long is each side (in m)?
27. 27.A cuboid is 6 cm long, 11 cm wide and 6 cm high. What is its total surface area (in square cm)?
28. 28.Solve: 4(y − 4) = y + 35. What is y?
29. 29.What is the difference between the compound interest and the simple interest on ₹15000 at 4% per year for 2 years (in ₹)?
30. 30.Find the value of x² − y² when x = 15 and y = 4.
31. 31.What is the value of 8⁻³ (as a fraction)? =
32. 32.A cube has a volume of 4096 cubic cm. How long is each edge (in cm)?
33. 33.A trapezium has parallel sides of 19 cm and 7 cm, and the distance between them is 5 cm. What is its area (in square cm)?
34. 34.Write 9 × 10⁻³ as a decimal. =
35. 35.Write 6.7 × 10⁻³ as a decimal. =
36. 36.What amount will ₹41600 grow to in 2 years at 20% per year compound interest (in ₹)?
37. 37.A cube has a volume of 2744 cubic cm. How long is each edge (in cm)?
38. 38.What is the smallest whole number by which 686 must be divided to get a perfect square?
39. 39.What is the smallest whole number by which 24 must be divided to get a perfect cube?
40. 40.What amount will ₹10400 grow to in 1 year at 25% per year compound interest (in ₹)?

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