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Metals conduct electricity due to the presence of free electrons that can move easily through the metal lattice, carrying electrical charge.
What is the compounded amount on a sum of 25,000 after three years at a rate of 12 percent per annum interest compounded yearly?
Simple interest on a certain sum at the rate of (50/3)% per annum for three years is Rs. 1250. 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