Q.1: By repeated subtraction method, find whether the following numbers are perfect square of not. If they are, then find their square root:
a) 100
b) 78
c) 81
d) 64
e) 24
Q.2: Find the smallest whole number, by which following numbers should be multiplied in order to get a perfect square number. Also find the square root of the square number:
a) 50
b) 2,700
c) 2,880
d) 891
e) 19,208
Q.3: Find the smallest whole number, by which following numbers should be divided in order to get a perfect square number. Also find the square root of the square number:
a) 1,728
b) 847
c) 720
d) 512
e) 1,859
Q.4: Find the square roots of the following numbers by Prime Factorisation Method & Division Method:
a) 17,424
b) 729
c) 5,625
d) 1,225
e) 9,216
Q.5: Find the square root of following decimal numbers:
a) 6.76
b) 182.25
c) 20.25
d) 15.21
e) 19.36
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