Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 294 · 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.Solve: t/2 + t/6 = 28. What is t?
2. 2.Solve: 8x + 9 = x + 65. What is x?
3. 3.What amount will ₹11200 grow to in 2 years at 15% per year compound interest (in ₹)?
4. 4.What is the difference between the compound interest and the simple interest on ₹9300 at 20% per year for 2 years (in ₹)?
5. 5.Find the compound interest on ₹24000 at 20% per year for 2 years, compounded every year (in ₹).
6. 6.What is ∛512? =
7. 7.The sum of four consecutive whole numbers is 50. What is the largest of them?
8. 8.A scooter is worth ₹15200. Its value falls by 25% every year. What will it be worth after 2 years (in ₹)?
9. 9.1.2 × 10⁷ =
10. 10.What is the difference between the compound interest and the simple interest on ₹52500 at 12% per year for 2 years (in ₹)?
11. 11.What is the smallest whole number by which 80 must be divided to get a perfect square?
12. 12.A big cube of edge 10 cm is cut into small cubes of edge 2 cm. How many small cubes are there?
13. 13.Use a² − b² = (a + b)(a − b) to find 44² − 13².
14. 14.Which of these is a perfect square? (a) 144 (b) 153 (c) 146
15. 15.Which of these is a perfect cube? (a) 2445 (b) 2689 (c) 2197
16. 16.A big cube of edge 9 cm is cut into small cubes of edge 3 cm. How many small cubes are there?
17. 17.A town has 21300 people. The population grows by 10% every year. What will the population be after 2 years?
18. 18.A cube has a volume of 729 cubic cm. How long is each edge (in cm)?
19. 19.Write (5²)⁶ as a single power 5ⁿ. What is n?
20. 20.Solve: 3(y − 3) = 2y + 2. What is y?
21. 21.What is the smallest whole number by which 392 must be divided to get a perfect cube?
22. 22.The diagonals of a rhombus are 30 cm and 23 cm. What is its area (in square cm)?
23. 23.What is the sum of the first 8 odd numbers (1 + 3 + 5 + …)?
24. 24.A trapezium has an area of 378 square cm. Its parallel sides are 14 cm and 28 cm. What is the distance between them (in cm)?
25. 25.What amount will ₹52500 grow to in 3 years at 20% per year compound interest (in ₹)?
26. 26.A cube has a volume of 343 cubic cm. How long is each edge (in cm)?
27. 27.What is the sum of the first 5 odd numbers (1 + 3 + 5 + …)?
28. 28.What is the smallest whole number by which 192 must be multiplied to get a perfect cube?
29. 29.What is the value of 9³? =
30. 30.Solve: 4n + 5 = 2n + 23. What is n?
31. 31.What is 3³? =
32. 32.What is the value of 4⁸? =
33. 33.Solve: 6(p − 2) = 3p + 36. What is p?
34. 34.A room is 11 m long, 10 m wide and 4 m high. What is the area of its four walls (in square m)?
35. 35.Solve: 4(y − 3) = y + 33. What is y?
36. 36.Write 5⁶ × 5² as a single power 5ⁿ. What is n?
37. 37.What is the difference between the compound interest and the simple interest on ₹21300 at 10% per year for 2 years (in ₹)?
38. 38.A town has 43300 people. The population grows by 8% every year. What will the population be after 1 year?
39. 39.A trapezium has an area of 350 square cm. Its parallel sides are 15 cm and 20 cm. What is the distance between them (in cm)?
40. 40.What is 50²? =

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