In a circle, difference between the circumference and radius is 37 cm. Find the area (in cm²) of the circle?

Find the greatest number 23a68b, which is divisible by 3 but NOT divisible by 9.

A person goes from P to Q in 8 hours. He starts from P at 8 a.m. Another person goes from Q to P in 12 hours. He starts from Q at 9 a.m. At what time will they meet?

In 64 liter of pure alcohol, 20 liter of water is mixed and then $$ {1\over 4}{th}$$ of the mixture is taken out. When x liter of water is added again then ratio of water to that of the alcohol becomes 1:2. Find value of x?

Directions: Read the below data carefully and answer the following questions.
The table shows the total number of ice cream (Chocobar + Cornetto) was given by Santa Claus on the day of Xmas to 5 children. It also shows the number of Chocobar ice-creams is how much more or less percentage of the total number of Cornetto ice-creams.

Find the difference between the total number of Cornettoes all of them have and the total number of Chocobars everyone has.

What will be the difference between the compound interest and simple interest of 2 years at the rate of 5 percent annual interest at Rs. 4,000?

Ms. Deksha borrow Rs. 575 at 5 % per annum simple interest. What amount (in rupees) will she pay to clear her debt after 4 years?

The effective annual rate of interest corresponding to a nominal rate of 6% per annum payable half yearly is: