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Atrazine is a chemical herbicide.
A sum of money becomes ₹12,000 in 2 years and ₹14,400 in 4 years at simple interest. What is the rate of interest per annum?
A sum is lent on compound interest for 2 years at 11% p.a. If the compound interest on the sum is Rs.3713.6, find the sum.
A sum lent out at simple interest amounts to 6076 in 1 year and 7504 in 4 years. The sum and the rate of interest p.a. are respectively
What sum of money must be given at simple interest for 8 months at 4% per annum in order to earn Rs. 320 interest?