Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 865 · 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 town has 54000 people. The population grows by 10% every year. What will the population be after 3 years?
2. 2.What is √676? =
3. 3.What is 49²? =
4. 4.Which of these is a perfect cube? (a) 343 (b) 446 (c) 356
5. 5.Which of these is a perfect square? (a) 196 (b) 216 (c) 224
6. 6.What is the smallest whole number by which 216 must be divided to get a perfect square?
7. 7.What is 10³? =
8. 8.Write 7⁷ × 7⁸ as a single power 7ⁿ. What is n?
9. 9.A trapezium has an area of 96 square cm. Its parallel sides are 4 cm and 20 cm. What is the distance between them (in cm)?
10. 10.What is 7³? =
11. 11.A cube has a volume of 8 cubic cm. How long is each edge (in cm)?
12. 12.A cuboid is 5 cm long, 11 cm wide and 8 cm high. What is its total surface area (in square cm)?
13. 13.If a + b = 13 and ab = 36, what is a² + b²?
14. 14.The diagonals of a rhombus are 24 cm and 14 cm. What is its area (in square cm)?
15. 15.Solve: x/2 + x/3 = 15. What is x?
16. 16.Find the compound interest on ₹22200 at 20% per year for 2 years, compounded every year (in ₹).
17. 17.Each edge of a cube is 4 cm. What is its total surface area (in square cm)?
18. 18.What is 18²? =
19. 19.What is the smallest whole number by which 735 must be multiplied to get a perfect square?
20. 20.Write 1.5 × 10⁻⁴ as a decimal. =
21. 21.What is √5329? =
22. 22.A cuboid is 8 cm long, 3 cm wide and 2 cm high. What is its total surface area (in square cm)?
23. 23.What is the difference between the compound interest and the simple interest on ₹36800 at 25% per year for 2 years (in ₹)?
24. 24.What is the sum of the first 5 odd numbers (1 + 3 + 5 + …)?
25. 25.What is 14³? =
26. 26.A square garden has an area of 1024 square m. How long is each side (in m)?
27. 27.What is the value of 3⁶? =
28. 28.Solve: t/2 + t/6 = 24. What is t?
29. 29.What is the value of 5³ × 5⁻²? =
30. 30.What is ∛216? =
31. 31.What is 9³? =
32. 32.What is 4³? =
33. 33.What is the value of 3⁻⁶ (as a fraction)? =
34. 34.Which of these is a perfect square? (a) 1337 (b) 1332 (c) 1296
35. 35.Find the compound interest on ₹20000 at 20% per year for 2 years, compounded every year (in ₹).
36. 36.What is the value of 5⁷? =
37. 37.If a + b = 3 and ab = 2, what is a² + b²?
38. 38.What is 12³? =
39. 39.Write 1.8 × 10⁻³ as a decimal. =
40. 40.What is √6724? =

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