A farmer wants to plough his square field of side 150m. How much
area will he have to plough?
Find the decimal fraction which when multiplied by itself gives 84.64.
Find the length of the side of a square if the length of its diagonal is 10cm.
Find the least square number which is exactly divisible by 3, 4, 5, 6 and 8.
Find the greatest number of three digits that is a perfect square.
What is the least number that should be added to 6200 to make it a
perfect square?
What is the least number that should be subtracted from 1385 to get
a perfect square? Also find the square root of the perfect square.
Find the square root of the following by long division method.
(a)27.04 (b) 1.44
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