Q. 805.0( 2 Votes )

# State whether the statements are true (T) or false (F).

Cube of an odd number is odd.

Answer :

Given: odd number

Cube of an odd number = (3)^{3} = 27

Which is an odd number.

Hence, the given statement is true.

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Which of the following numbers are not perfect cubes?

(i) 64

(ii) 216

(iii) 243

(iv) 1728

RD Sharma - MathematicsFind the cubes of the following numbers by column method:

(i) 35

(ii) 56

(iii) 72

RD Sharma - MathematicsWrite the units digit of the cube of each of the following numbers:

31, 109, 388, 4276, 5922, 77774, 44447, 125125125

RD Sharma - MathematicsWhich of the following are cubes of odd natural numbers?

125, 343, 1728, 4096, 32768, 6859

RD Sharma - MathematicsFind the volume of a cube whose surface area is 384m^{2}.

Choose the correct answer:

Write the cubes 5 natural numbers of which are multiples of 7 and verity the following:

“The cube of a multiple of 7 is a multiple of 7^{3}.

By what least number should 324 be multiplied to get a perfect cube?

RS Aggarwal - Mathematics