If the interest on money be 1 paisa per rupee per month, what is the rate per cent per annum?
Interest for 1 month = 1 paisa per 1 rupee (100 paise)
=> Rate of interest for 1 month =Â $$\frac{1}{100}\times100=1\%$$
Thus, rate of interest per annum = $$1\times12=12\%$$
=> Ans - (A)
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