Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 706 · 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: 6(n − 5) = 2n + 22. What is n?
2. 2.A town has 6000 people. The population grows by 10% every year. What will the population be after 2 years?
3. 3.The total surface area of a cube is 216 square cm. How long is each edge (in cm)?
4. 4.Solve: x/6 + x/3 = 3. What is x?
5. 5.What is √8281? =
6. 6.Use (a − b)² = a² − 2ab + b² to find 44².
7. 7.What is the value of 10⁵? =
8. 8.A square garden has an area of 1681 square m. How long is each side (in m)?
9. 9.A trapezium has parallel sides of 19 cm and 26 cm, and the distance between them is 12 cm. What is its area (in square cm)?
10. 10.How many whole numbers lie between 13² and 14²?
11. 11.Solve: n/4 + n/5 = 18. What is n?
12. 12.The sum of two consecutive whole numbers is 55. What is the largest of them?
13. 13.Find the compound interest on ₹28000 at 25% per year for 2 years, compounded every year (in ₹).
14. 14.Write 6⁸ × 6⁶ as a single power 6ⁿ. What is n?
15. 15.What is √4761? =
16. 16.Solve: 6(y − 4) = y + 51. What is y?
17. 17.What is 12²? =
18. 18.What is the value of (1/6)⁻¹? =
19. 19.What is the value of 4³? =
20. 20.The sum of two consecutive whole numbers is 19. What is the largest of them?
21. 21.A father is 16 years older than his son. In 4 years, the father will be three times as old as his son. How old is the son now?
22. 22.What is the value of 5⁴ × 5⁻⁵? =
23. 23.A square garden has an area of 1444 square m. How long is each side (in m)?
24. 24.A trapezium has parallel sides of 24 cm and 10 cm, and the distance between them is 13 cm. What is its area (in square cm)?
25. 25.Write 6.2 × 10⁻¹ as a decimal. =
26. 26.What is the smallest whole number by which 392 must be divided to get a perfect cube?
27. 27.Write 6⁹ ÷ 6³ as a single power 6ⁿ. What is n?
28. 28.A cube has a volume of 4096 cubic cm. How long is each edge (in cm)?
29. 29.Write 6 × 10⁻³ as a decimal. =
30. 30.What is the sum of the first 22 odd numbers (1 + 3 + 5 + …)?
31. 31.Use (a + b)² = a² + 2ab + b² to find 35².
32. 32.Find the compound interest on ₹22500 at 4% per year for 2 years, compounded every year (in ₹).
33. 33.Which of these is a perfect cube? (a) 2146 (b) 1728 (c) 2102
34. 34.How many whole numbers lie between 7² and 8²?
35. 35.Find the value of x² − 2xy + y² when x = 5 and y = 2.
36. 36.Write 5.2 × 10⁻² as a decimal. =
37. 37.Write 1.8 × 10⁻¹ as a decimal. =
38. 38.A trapezium has parallel sides of 30 cm and 2 cm, and the distance between them is 8 cm. What is its area (in square cm)?
39. 39.What is the difference between the compound interest and the simple interest on ₹31800 at 20% per year for 2 years (in ₹)?
40. 40.What is the sum of the first 10 odd numbers (1 + 3 + 5 + …)?

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