A large cube is formed from the material obtained by melting three smaller cubes of 3, 4 and 5 cm side. What is the ratio of the total surface areas of the smaller cubes and the large cube?
2
Surface area of a sphere is 2464 cm2. If its radius is doubled, then the surface area of _________?the new sphere will be
3
In a drawer there are 4 white socks, 3 blue socks and 5 grey socks. Two socks are picked randomly. What is the possibility that both the socks are of same color?
These are just sample questions. The actual quiz contains 25 questions.
