For the following questions answer them individually
How many bricks each measuring 25 cm $$\times$$ 12.5 cm $$\times$$ 16 cm will be needed to construct a wall 8 m long. 5 m high and 22.5 cm thick?
O, T and P can do a piece of work in 3, 4 and 6 hours respectively. If they are working together, then in how much time they will finish the work?
If $$a^{4} + \frac{1}{a^{4}} = 194$$, then what is the value of $$a^{3} + \frac{1}{a^{3}}$$?
Ankit went to Manali, for river rafting. He rows at the rate of 12 km/h in still water. To cover the same distance, it takes him twice as long to row up as to row down the river. Find the rate of flow of the river.
The table given below shows the saving and expenditure of 5 companies.
The total expenditure of all the companies is how much percent less than the total savings?
Rs. P are invested at 5% per annum of simple interest. After T years an interest of Rs.82 is earned and the amount becomes Rs.902. What is value of T?
After giving 10 percent discount on an article there is still a profit of 10 percent. What will be the profit percentage when no discount is given?