A person deposited Rs 50,000 in bank 'M' for two years at the rate of 10% p. a. compound interest compounded annually. But after one year, bank has changed the policy and decided to pay semi-annual compound interest at the same rate. What is the percentage difference between compound interests of first and second year? Give reason with calculation.

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude

Mat bought a phone for $100. he has to pay $30 per mouth. if he has paid $640 in total, how many mouth has he had the phone?