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A minimum slope is necessary for surface irrigation methods to ensure proper water flow and distribution across the field. A slope helps in the uniform movement of water, preventing waterlogging and facilitating efficient irrigation. A slope of 0.10% is considered a suitable minimum to achieve effective surface irrigation.
What principal amount, when invested at an annual simple interest rate of 3.6% for 15 years, will generate an interest of Rs. 4,050?
A certain sum when invested for 3 years in a scheme offering simple interest of 20% p.a. gives an interest of Rs. 1470. What is 130% of the sum invested?
What sum of money must be given at simple interest for 5 months at 3% per annum in order to earn Rs. 260 interest?