Class 8 - Cubes and Cube Roots Worksheet 2
1. Find the cube root of 2197.
a) 23 b) 13
c) 27 d) 33
2. Find the cube root of -6859⁄8000.
a) -19⁄20 b) 29⁄20
c) 19⁄20 d) 39⁄20
3. Find cube root of 27.8181.
a) 2.021 b) 4.29
c) 3.03 d) 1.09
4. Find cube root of 17576⁄4096.
a) 24⁄13 b) 13⁄16
c) 16⁄26 d) 26⁄16
5. Find the cube of 21⁄5 we get _____.
a) 1331⁄125 b) 125⁄1331
c) 1441⁄125 d) 1651⁄125
6. Which of the following is cube of odd number?
a) 4913 b) 5832
c) 2744 d) None of these
7. Which is the following numbers are cube of negative integer?
a) -4096 b) -361
c) -1805 d) -7072
8. No cubes are end with two zero. Mark True / False.
a) True b) False
9. There is no perfect cube which ends in 9. Mark True / False.
a) True b) False
10. For an integer M, M3 is always greater than M2. Mark True / False.
a) True b) False
11. If m divide n, then m3 divide n3. Mark True / False.
a) True b) False
12. If n2 ends in 6, then n3 ends in 36. Mark True /False.
a) True b) False
13. Three numbers are in the ratio 1 : 3 : 4. The sum of their cubes is 11,500. Find the numbers.
a) 5, 15, 20 b) 10, 30 ,40
c) 5, 25, 125 d) 3, 6, 18
14. Find the smallest number by which 5184 should be multiplied so that product is a perfect cube. Also find the cube root of the product.
a) 6 and 26 b) 9 and 36
c) 9 and 33 d) None of these
15. Find the side of cube whose volume is 79,507 cm3.
a) 29 cm b) 19 cm
c) 39 cm d) 43 cm
16. Cube of -15⁄9 is _____.
a) -2744⁄729 b) -2375⁄529
c) 2744⁄729 d) -3375⁄729
17. Find cube root of 1604⁄125 is _____.
a) -7⁄5 b) -5⁄9
c) 5⁄7 d) 14⁄5
18. If a number can be expressed as the triplets of equal prime number, then it is known as _____.
a) Square b) Square root
c) Cube root d) Perfect cube
19. Two numbers are in the ratio 2 : 4. If difference of their cube is 3584, find the numbers.
a) 4 and 5 b) 8 and 16
c) 8 and 12 d) None of these
20. Difference of two perfect cube is 602. If the cube root of the greater of two numbers is 11, find the cube root of the smaller number.
a) 9 b) 6
c) 8 d) 3
If you want to download the above worksheet, please click below link.
Cubes and Cube Roots Worksheet-2Download the pdf
Class-8 Cubes And Cube Roots Worksheets
Cubes And Cube Roots Worksheet - 1
Cubes And Cube Roots Worksheet - 2
Cubes And Cube Roots Worksheet - 3
Answer Sheet
Square-And-Squareroot-AnswerDownload the pdf
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