^If the length of a rectangular field is increased by 20% and the breadth is reduced by 20%, the area of the rectangle will be 192 m². What is the area of the original rectangle ?

Father’s age is 30years more than the son’s age. Ten years hence the father’s age will become three times the son’s age that time. What is son’s present age in years ?

Mr. X invested a certain amount in Debit and Equity funds in the ratio of 4:5 respectively. At the end of one year, he earned a total dividend of 30% on his investment. After one year he reinvested the amount including dividend in the ratio of 6:7 in Debt and Equity Funds. If the amount reinvested in Equity Funds was INR 94,500/-, what was the original amount invested in Equity Funds?

7      13        25        49        97        194      385

32    16     24        65        210     945     5197.5

2       8          12        20        30        42       56