Q2: which of these is a perfect cube
(a) 216
(b) 392
(c) 8640
(d) 243
Q3: which of these is not a perfect cube
(a) 729
(b) 2197
(c) -1331
(d) 169
Q4: 3√.027 is
(a) .3
(b) .03
(c) .94
(d) .33
Q5: 3√216×27 is
(a) 12
(b) 18
(c) 21
(d) 36
Q6: If m is the cube root of n, then n is
(a)3√m
(b) 3m
(c) m/3
(d) m3
Q7: The one’s digit of the cube of 53 is:
(a) 9
(b) 3
(c) 7
(d) 1
Q8: The volume of the cube is 5832m3 , the side is
(a) 18m
(b) 16 m
(c) 28 m
(d) 19m
Q9:
(a) 22/33
(b) 16/11
(c) 11/16
(d) 11/3
Q10: which of the following expression is not a perfect cube
(a) 27 x 125 x 64
(b) 1331 x 125 x 8
(c) 15 x 8 x 25 x 9
(d) None of these
Q11: The surface area of a cube whose volume is 8m3
(a) 32m2
(b) 24m2
(c) 12m2
(d) None of these
Q12: A cuboid of dimensions 16m, 4m, 125m has been melted to form a cube. Find the side of the cube
(a) 2020m
(b) 1616m
(c) 55m
(d) None of these
Q2: 999 is a perfect cube
Q3: The square of a number is positive, so the cube of that number will also be positive
Q4: 125×8×27125×8×27 is a perfect cube
Q5: For an integer p, p3 is always greater than p2
Q6: 83 = 5.12
Q1: The least number by which 72 be multiplied to make it a perfect cube is _____________
Q2: If 8x3=216, then x ix ____
Q3: The cube of .5 is _____
Q4: There are _________ perfect cubes between 1 and 1000.
Q5: The digit at the ones place of 233 is ____
Q6: The cube of the even natural number is ____
Q1: 15625
Q2: 2744
Q3: 125/2197
Q4: 5832
Q5: 64000
Q1: Is 256 a perfect cube? If not, find the smallest number by which it should be divided to get a perfect cube.
Q2: if 6n+2=12966, then 3√n+727 is
Q3: Three numbers are in the ratio 1:2:3 and the sum of their cubes is 4500. Find the numbers.
Q4: If 3√157464=54, then find the value
3√157.464+3√.157464+3√.000157464
You can access the solutions to this worksheet here.
79 videos|408 docs|31 tests
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1. What are cubes in mathematics? |
2. How do you calculate the cube of a number? |
3. What is a cube root? |
4. How do you find the cube root of a number? |
5. What are some real-life applications of cubes and cube roots? |
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