The smallest rational number by which 1/3 should be multiplied so that its decimal expansion terminates after one place of decimal, is
A. 3/10
B. 1/10
C. 3
D. 3/100
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Smallest number with which 1/3 is to be multiplied so that it's decimal expansion terminates after one place of decimal is
1. By checking the options we can see that if 1/3 is multiplied with 3 we get 1 as the answer without any decimal points.
2. So if 1/3 is multiplied with 3/10 we get 0.1 as the answer in which decimal expansion terminates after one place of decimal.
So, option A is the right answer.
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