A sum was put at simple interest at a certain rate for 3 years. Had it been put at 2% higher rate, it would have fetched Rs 360 more. Find the sum.
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What is the rate of interest at which Rs.150 becomes Rs. 220 in 10 years.
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A man invests a certain sum of money at 6% per annum simple interest and another sum at 7% per annum simple interest. His income from interest after 2 years was Rs. 354. One-forth of the first sum is equal to one-fifth of the second sum. The total sum invested was :
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The true discount on Rs. 2562 due 4 months hence is Rs. 122. The rate percent is:_________?
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