An object travels 24 m in 3 s and then another 15 m in 2 s. What is the average speed of the object?

I walk a certain distance and ride back, taking $$\frac{13}{2}$$ hours in total. I could walk both ways in a total of $$\frac{31}{4}$$ hours. How long will it take me to ride both ways?

A sum of Rs. 2000 at 40% per annum compounded annually. Calculate the interest for the third year at compound interest.

A wire when bent in the form of a square encloses an area of 484 sq. cm. If the same wire is bent in the form of a circle, what is the area enclosed by it?

Which one of the following is the equation for Position - Time relation?