Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 365 · 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.A cube has a volume of 1728 cubic cm. How long is each edge (in cm)?
2. 2.A room is 5 m long, 7 m wide and 3 m high. What is the area of its four walls (in square m)?
3. 3.What is the sum of the first 23 odd numbers (1 + 3 + 5 + …)?
4. 4.A big cube of edge 4 cm is cut into small cubes of edge 2 cm. How many small cubes are there?
5. 5.What amount will ₹32000 grow to in 3 years at 5% per year compound interest (in ₹)?
6. 6.What is the value of 10⁻³ (as a fraction)? =
7. 7.Use (a + b)² = a² + 2ab + b² to find 91².
8. 8.What is ∛5832? =
9. 9.Solve: 3(m − 2) = 2m + 7. What is m?
10. 10.What is 22²? =
11. 11.What is 71²? =
12. 12.A town has 13400 people. The population grows by 12% every year. What will the population be after 1 year?
13. 13.The sum of two consecutive whole numbers is 31. What is the largest of them?
14. 14.Which of these is a perfect cube? (a) 1649 (b) 1331 (c) 1336
15. 15.Each edge of a cube is 13 cm. What is its total surface area (in square cm)?
16. 16.Write 9⁷ × 9² as a single power 9ⁿ. What is n?
17. 17.Each edge of a cube is 5 cm. What is its total surface area (in square cm)?
18. 18.What is 39²? =
19. 19.What is 19³? =
20. 20.What is the value of 7⁻³ (as a fraction)? =
21. 21.What is the value of 10¹ × 10⁻⁵? =
22. 22.Solve: t/5 + t/2 = 28. What is t?
23. 23.Solve: 6y + 11 = 4y + 39. What is y?
24. 24.Use (a + b)² = a² + 2ab + b² to find 34².
25. 25.Which of these is a perfect cube? (a) 1238 (b) 1123 (c) 1000
26. 26.What amount will ₹29000 grow to in 1 year at 20% per year compound interest (in ₹)?
27. 27.What is 86²? =
28. 28.What is 18³? =
29. 29.What amount will ₹40000 grow to in 3 years at 15% per year compound interest (in ₹)?
30. 30.Find the compound interest on ₹24000 at 15% per year for 3 years, compounded every year (in ₹).
31. 31.What is the value of 2² × 2⁻¹? =
32. 32.What is the smallest whole number by which 4 must be divided to get a perfect cube?
33. 33.6.4 × 10⁷ =
34. 34.What is the value of (1/3)⁻²? =
35. 35.The sum of two consecutive whole numbers is 77. What is the largest of them?
36. 36.The sum of four consecutive whole numbers is 170. What is the smallest of them?
37. 37.What amount will ₹11200 grow to in 3 years at 25% per year compound interest (in ₹)?
38. 38.The sum of three consecutive whole numbers is 87. What is the smallest of them?
39. 39.Solve: 5(m − 4) = m + 44. What is m?
40. 40.What is the value of 6⁵? =

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