1. Taps A, B and C are connected to a water tank and the rate of flow of water from them is 42 liter/hr, 56 liter/hr and 48 liter/hr respectively. If tap A and B are filling the tank and C is emptying it and the tank gets filled in 16 hrs. What is the capacity of the tank?
2. A square room has a side of 8 m. How many metres of a carpet 16 cm. wide, will be required to cover the floor of the room, if the cost of carpet is Rs. 200/m. and labour charge is Rs. 10/m, find the cost of putting the carpet?
3. What is the maximum volume of the cone that can be cut from a cube of edge 14 cm.?
4. A room is 10 m long, 8 m broad and 4.5 m high. These are two doors with dimensions 2.5 m × 1.2 m, two windows of dimension 1.5 m × 1.6 m and two more windows of 1 m. height and 1 m. breadth. Find the area of wallpaper required to cover the room.
5. How many 6 letter words which begin with 'T' can be formed using the letters of the word EQUATION?
Directions (Q. 6 - 10) : Following pie-chart shows the population of six states :
6. What is the total population of Bihar and Jharkhand together?
7. What is the difference between males of U.P. and M.P. together and females of Orissa and W. Bengal together?
8. What is the average male population of all the states?
9. Total average population of male is how much percent more than total average population of female?
10. What is the average number of females in all the states?