Inside a square plot a circular garden is developed which exactly fits in the square plot and the diameter of the garden is equal to the side of the square plot which is 28m. what is the area of the space left out in the square plot after developing the garden?

^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