Question

 Which of the following statement is correct? (a) Cube of odd number is even (b) A prefect cube does not end with two zeros (c) There is no prefect cube which ends with 8 (d) Cube of negative integers are negative *​

Answer 1

Answer:

Cube of any odd number is even.

FALSE: Odd multiplied by odd is always odd

(ii) A perfect cube does not end with two zeros.

TRUE: A perfect cube will end with odd number of zeroes

(iii) If square of a number ends with 5, then its cube ends with 25.

TRUE: 5 multiplied by 5 any number of times always gives 5 at units place

(iv) There is no perfect cube which ends with 8.

False: 2

3

=8

(v) The cube of a two digit number may be a three digit number.

FALSE: The smallest two digit number is 10 and 10

3

=1000 is a three digit number

(vi) The cube of a two digit number may have seven or more digits.

FALSE: 99 is the largest 2 digit number; 99

3

=989901 is a 6 digit number

(vii) The cube of a single digit number may be a single digit number.

TRUE: 2

3

=8 is a single digit number.

Answer 2

Answer:

d) is the correct answer