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Recent questions tagged cubes and cube roots
+3
votes
1
answer
Evaluate: (i) ∛100 × ∛270
asked
Apr 2, 2019
by
kratos
cubes and cube roots
class-8
+2
votes
1
answer
Find the cube of: (i) 0.3 (ii) 1.5
asked
Mar 29, 2019
by
kratos
cubes and cube roots
class-8
+1
vote
1
answer
You are told that 1331 is a perfect cube. Can you guess without factorization what is its cube root? Similarly,
asked
Mar 29, 2019
by
kratos
cubes and cube roots
icse
class-8
+3
votes
1
answer
Find the cube-roots of : -15.625
asked
Mar 27, 2019
by
kratos
cubes and cube roots
class-8
squares and square roots
+1
vote
1
answer
Which of the following numbers will not have 1 (one) at their unit’* place :
asked
Mar 24, 2019
by
kratos
class-8
cubes and cube roots
icse
squares and square roots
+3
votes
1
answer
Find the 14^th and 15^th triangular numbers and find their sum verify the statement 8 for this sum.
asked
Mar 18, 2019
by
kratos
class-8
cubes and cube roots
squares and square roots
+1
vote
1
answer
Find the volume of a cube, one face of which has an area of 64 m^2.
asked
Mar 17, 2019
by
kratos
cubes and cube roots
class-8
+3
votes
1
answer
The velocity of sound in air at N.T.P is 331 ms^-1. Find its velocity when the temperature rises to 91 °C and its pressure is doubled.
asked
Mar 16, 2019
in
Class 11
by
kratos
waves
acoustics
cubes and cube roots
class-8
oscillations
class-11
class-10
+2
votes
1
answer
Three numbers are to one another 2:3:4. The sum of their cubes is 0.334125. Find the numbers.
asked
Mar 15, 2019
by
kratos
cubes and cube roots
class-8
squares and square roots
+2
votes
1
answer
The volume of a cube is 9261000 m^3. Find the side of the cube.
asked
Mar 11, 2019
by
kratos
cubes and cube roots
class-8
+1
vote
1
answer
Find the cube-roots of : 729 x 8000
asked
Mar 11, 2019
by
kratos
cubes and cube roots
icse
class-8
+2
votes
1
answer
What is the smallest number by which the following numbers must be multiplied, so that the products are perfect cubes? (i) 675 (ii) 1323
asked
Mar 11, 2019
by
kratos
cubes and cube roots
icse
class-8
+1
vote
1
answer
Which of the following integers are cubes of negative integers ? (i) -64 (ii) -1056
asked
Mar 10, 2019
by
kratos
cubes and cube roots
class-8
+1
vote
1
answer
For each of the non-perfect cubes in 243 find the smallest number by which it must be (a) Multiplied so that the product is a perfect cube.
asked
Mar 9, 2019
by
kratos
cubes and cube roots
class-8
+1
vote
1
answer
Three numbers are in the ratio 1:2:3. The sum of their cubes is 98784. Find the numbers.
asked
Feb 23, 2019
by
kratos
cubes and cube roots
class-8
+2
votes
1
answer
Find the cube root by prime factorisation, (i) 1728 (ii) 3375 (iii) 10648
asked
Feb 13, 2019
by
kratos
cubes and cube roots
class-8
+1
vote
1
answer
Find the square root of the following numbers by factorization. (i) 196 (ii) 256 (iii) 10404
asked
Feb 13, 2019
by
kratos
class-8
cubes and cube roots
squares and square roots
+2
votes
1
answer
Observe the following pattern 1^2 = 1/6 (1×(1+1)×(2×1+1)) , 1^2+2^2 = 1/6 (2×(2+1)×(2×2+1)))
asked
Feb 10, 2019
by
kratos
class-8
cubes and cube roots
squares and square roots
+3
votes
1
answer
Write the possible unit’* digits of the square root of the following numbers. Which of these numbers are odd square roots?
asked
Feb 10, 2019
by
kratos
class-8
cubes and cube roots
squares and square roots
+3
votes
1
answer
Show that the following integers are cubes of negative integers. Also, find the integer whose cube is the given integer. (i) -5832
asked
Feb 7, 2019
by
kratos
cubes and cube roots
class-8
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