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### High School Mathematics2.23 Square Roots of Real Numbers Review - II

 Q 1: If a number has one digit, the the number of digits in its square ______.2 or 31 or 21 or 3 Q 2: The double digit number has in its square _____ digits.2 or 34 or 53 or 4 Q 3: The number of digits in the square of three digit number is _________.5 or 66 or 74 or 5 Q 4: The number of digits in the square of four digit number is ______.8 or 97 or 86 or 7 Q 5: A 'n' digit number has in its square is ______ digits.2n or 2n+12n-1 or 2n Q 6: In 5 digit number is squared then the obtained number has _____ digits.8 or 99 or 1010 or 11 Question 7: This question is available to subscribers only! Question 8: This question is available to subscribers only!

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