The below table shows the various colors and dimensions of stationary available at a store. How many different combinations of color and size are possible?

\(4.62 \times 10^{8}\) can be written as which of the following numbers?

Find the area of the triangle given below:

Fill in the equation \((2a + 3b + \frac{1}{2}c) = \frac{1}{3}\)  x ___________

How many tiles of \(15 \mathrm{~cm}^{2}\) will be needed to cover a floor of dimension 5.8 m by 6.90 m?

A teacher has 3 hours to grade all the papers submitted by the 35 students in her class. She gets through the first 5 papers in 30 minutes.
How much faster does she have to work to grade the remaining papers in the allotted time?