EX 2.2
4. The area of a square field is 11025 sq. metres. If each of its sides is increased by 1 metre,
increase in its area?
5. Find the least square number divisible by each one of 8, 9 and 10.
6. The product of two numbers is 1575 and their quotient is Find the number
7
Number of Digits in the Square Root of a Perfect Square
If a perfect square number has n digits, its square root contains:
digits, if n is even and
2
n
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