Question
DDT mainly affects which system of insect body?Â
Solution
The correct answer is C
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A sum of money doubles itself in 8 years at simple interest. In how many years will it become four times itself at the same rate of interest?
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What is the simple interest on ₹5000 at a rate of 8% per annum for 3 years?
If Simple Interest is 12.5% more than the principal and number of years(n), rate(r) are numerically in the ratio 2 : 1, then find the values of n, r.
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