The square of $86$ will have $6$ at the units place.

Important Questions on Square-Square Root and Cube-Cube Root

EASY

8th CBSE

IMPORTANT

NCERT Exemplar Mathematics - Class 8>Chapter 3 - Square-Square Root and Cube-Cube Root>Exercise>Q 50

The sum of two perfect squares is a perfect square.

EASY

8th CBSE

IMPORTANT

NCERT Exemplar Mathematics - Class 8>Chapter 3 - Square-Square Root and Cube-Cube Root>Exercise>Q 51

The product of two perfect squares is a perfect square.

EASY

8th CBSE

IMPORTANT

NCERT Exemplar Mathematics - Class 8>Chapter 3 - Square-Square Root and Cube-Cube Root>Exercise>Q 52

There is no square number between $50 \mathrm{and} 60 .$

EASY

8th CBSE

IMPORTANT

NCERT Exemplar Mathematics - Class 8>Chapter 3 - Square-Square Root and Cube-Cube Root>Exercise>Q 53

The square root of $1521$ is $31$.

EASY

8th CBSE

IMPORTANT

NCERT Exemplar Mathematics - Class 8>Chapter 3 - Square-Square Root and Cube-Cube Root>Exercise>Q 54

Each prime factor appears $3$ times in its cube.

EASY

8th CBSE

IMPORTANT

NCERT Exemplar Mathematics - Class 8>Chapter 3 - Square-Square Root and Cube-Cube Root>Exercise>Q 55

The square of$2.8$ is $78.4$.

EASY

8th CBSE

IMPORTANT

NCERT Exemplar Mathematics - Class 8>Chapter 3 - Square-Square Root and Cube-Cube Root>Exercise>Q 56

The cube of $0.4$ is $0.064$.

EASY

8th CBSE

IMPORTANT

NCERT Exemplar Mathematics - Class 8>Chapter 3 - Square-Square Root and Cube-Cube Root>Exercise>Q 57

The square root of $0.9$ is $0.3$.