Question 146. A sum of money was invested at a certain rate of simple interest for 2 years. Had it been invested at 1% higher rate, it would have fetched Rs. 24 more interest. The sum of money is ?
Question 147. A man invests half of his capital at the rate of 10% per annum, one - third at 9% and the rest at 12% per annum. The average rate of interest per annum, which he gets is = ?
Question 150. Consider the following statements If a sum of money is lent at simple interest, then the I - money gets doubled in 5 years if the rate of interest is $$16\frac{2}{3}$$ % II - money gets doubled in 5 years if the rate of interest is 20%. III - money becomes four times in 10 years if it gets doubled in 5 years.
