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  1. Number of digits in the square root of 62478078 is:
    1. 4
    2. 5
    3. 6
    4. 3
Correct Option: A

Number of digits in 62478078 = 8
∴  Number of digits in its square root = 4
⇒  √62478078 ≈ 7904
⇒  √62473216 = 7904


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