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Decimal Fraction - General Aptitude

Q1:

The least among the following is:

A 0.2

B 1 ÷ 0.2

C 0.2

D (0.2)2

ANS:D - (0.2)2

1 ÷ 0.2 = 1 = 10 = 5;
0.2 2
0.2 = 0.222...; (0.2)2 = 0.04. 0.04 < 0.2 < 0.22....<5. Since 0.04 is the least, so (0.2)2 is the least.