Question

If a number is doubled then which of the following is a correct statement?
(a) Its cube is two times the cube of the given number.
(b) Its cube is three times the cube of the given number.
(C) Its cube is six times the cube of the given number.
(d) Its cube is eight times the cube of the given number.​

Answer 1

Answer:Let a number be X

Cube of X = X³

Double of X = 2X

Cube Of 2X = 8X³

No. of times value increased = 8X³/X³ = 8.

Let suppose a number be 2

Cube of 2 is8

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Now double of 2 =4 And cube of 4 is 64

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No.of times its value increased =64/8=8

Explanation:

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Answer 2

Answer:

D

Explanation:

Let x be a number then it's cube is x^3

If the number is doubled ie, 2x, it's cube will be (2x)^3=8x^3=8(x^3)

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