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Class 8 maths · C.15 · Square roots and cube roots

Between which two whole numbers is the cube root?

Find the two perfect cubes on either side of the number.

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  1. ∛148 is between which two consecutive whole numbers? Write them like 3, 4.

    Answer: 5, 6

  2. ∛71 is between which two consecutive whole numbers? Write them like 3, 4.

    Answer: 4, 5

  3. ∛91 is between which two consecutive whole numbers? Write them like 3, 4.

    Answer: 4, 5

Tip: Find the two perfect cubes on either side of the number.

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