Squares, Cubes and their Roots

Square root, cube root and their applications.

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Q1 · Squares, Cubes and their Roots · EASY
A teacher asked students to find the square root of 1296. One student used prime factorisation and wrote 1296 = 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3. What is the square root of 1296?
Q2 · Squares, Cubes and their Roots · MEDIUM
A school playground is in the shape of a square with an area of 2025 square metres. The school wants to fence the playground. What is the length of fencing required in metres?
Q3 · Squares, Cubes and their Roots · HARD
A water tank in the shape of a cube has a volume of 13824 cubic metres. The municipal corporation wants to paint all the outer surfaces of the tank. If the cost of painting is Rs 25 per square metre, what is the total cost of painting?
Q4 · Squares, Cubes and their Roots · HARD
The cube root of 13824 is: