Using long division method, find the square root of $0.00069169$.

Important Questions on Square and Square Root; Cube and Cube Root

EASY

8th CBSE

IMPORTANT

Math Sight book>Chapter 3 - Square and Square Root; Cube and Cube Root>Test Paper 2>Q 6

Find the smallest number by which must $2,312$ must be multiplied to get a perfect square.

MEDIUM

8th CBSE

IMPORTANT

Math Sight book>Chapter 3 - Square and Square Root; Cube and Cube Root>Test Paper 2>Q 7

Find the edge of the cubical box if its volume is $110.592 {\mathrm{m}}^3$.

EASY

8th CBSE

IMPORTANT

Math Sight book>Chapter 3 - Square and Square Root; Cube and Cube Root>Test Paper 2>Q 8

If $n^3=4\frac{12}{125}$, then find the value of $n^2-1$.

HARD

8th CBSE

IMPORTANT

Math Sight book>Chapter 3 - Square and Square Root; Cube and Cube Root>Test Paper 2>Q 9

A gardener wants to plant $500$ plants in such a way that number of plants in each row is equal to the number of rows, but in doing so some plants were left out. Find the number of plants left out in this arrangement.

HARD

8th CBSE

IMPORTANT

Math Sight book>Chapter 3 - Square and Square Root; Cube and Cube Root>Test Paper 2>Q 10

A decimal number is multiplied by its square. If the product so obtained is $614.125$, find the decimal number.

MEDIUM

8th CBSE

IMPORTANT

Math Sight book>Chapter 3 - Square and Square Root; Cube and Cube Root>Test Paper 2>Q 11

The sum of two perfect cubes is $854$. If the cube root of smaller number is $5$, then find the cube root of the larger number.

MEDIUM

8th CBSE

IMPORTANT

Math Sight book>Chapter 3 - Square and Square Root; Cube and Cube Root>Test Paper 2>Q 12

Three numbers are in the ratio $2:3:4$. If the sum of their cubes is $50,688$, then find each number.