Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 432 · 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 amount will ₹16000 grow to in 3 years at 10% per year compound interest (in ₹)?
2. 2.What amount will ₹40000 grow to in 3 years at 5% per year compound interest (in ₹)?
3. 3.A cube has a volume of 1331 cubic cm. How long is each edge (in cm)?
4. 4.A father is 5 years older than his son. In 3 years, the father will be twice as old as his son. How old is the son now?
5. 5.Use (a − b)² = a² − 2ab + b² to find 36².
6. 6.Solve: 3t + 3 = 2t + 18. What is t?
7. 7.What amount will ₹18300 grow to in 1 year at 20% per year compound interest (in ₹)?
8. 8.The diagonals of a rhombus are 24 cm and 8 cm. What is its area (in square cm)?
9. 9.What amount will ₹19000 grow to in 3 years at 10% per year compound interest (in ₹)?
10. 10.What is the value of 10²? =
11. 11.Which of these is a perfect square? (a) 511 (b) 484 (c) 497
12. 12.What is the value of 3⁻⁴ (as a fraction)? =
13. 13.What is the smallest whole number by which 72 must be multiplied to get a perfect cube?
14. 14.What is ∛15625? =
15. 15.The diagonals of a rhombus are 20 cm and 6 cm. What is its area (in square cm)?
16. 16.The sum of four consecutive whole numbers is 198. What is the largest of them?
17. 17.What amount will ₹11400 grow to in 1 year at 25% per year compound interest (in ₹)?
18. 18.What is √8281? =
19. 19.Use (a − b)² = a² − 2ab + b² to find 87².
20. 20.The sum of four consecutive whole numbers is 58. What is the smallest of them?
21. 21.What is the smallest whole number by which 960 must be multiplied to get a perfect square?
22. 22.What is 9³? =
23. 23.What is the value of 6²? =
24. 24.A scooter is worth ₹12600. Its value falls by 10% every year. What will it be worth after 2 years (in ₹)?
25. 25.What is the difference between the compound interest and the simple interest on ₹47200 at 15% per year for 2 years (in ₹)?
26. 26.A big cube of edge 6 cm is cut into small cubes of edge 1 cm. How many small cubes are there?
27. 27.Each edge of a cube is 20 cm. What is its total surface area (in square cm)?
28. 28.Use a² − b² = (a + b)(a − b) to find 97² − 49².
29. 29.Which of these is a perfect square? (a) 361 (b) 396 (c) 372
30. 30.Find the value of x² + 2xy + y² when x = 13 and y = 10.
31. 31.What is the value of (1/8)⁻²? =
32. 32.Each edge of a cube is 11 cm. What is its total surface area (in square cm)?
33. 33.What is the difference between the compound interest and the simple interest on ₹27500 at 4% per year for 2 years (in ₹)?
34. 34.Solve: p/5 + p/3 = 8. What is p?
35. 35.What is the value of 5⁵ × 5⁻⁶? =
36. 36.What is the sum of the first 14 odd numbers (1 + 3 + 5 + …)?
37. 37.Find the compound interest on ₹54300 at 15% per year for 1 year, compounded every year (in ₹).
38. 38.A father is 12 years older than his son. In 5 years, the father will be twice as old as his son. How old is the son now?
39. 39.What is ∛9261? =
40. 40.Use (a + b)² = a² + 2ab + b² to find 96².

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