For the following questions answer them individually
The base of a prism is a right angle triangle whose sides are 9 cm, 12 cm and 15 cm. Volume of this prism is 648 cm$$^3$$. What will be the height of prism?
Three years ago, Raman's salary was ₹ 45000. His salruy is increased by 10 percent, A percent and 20 percem in first, second and third year respectively. Raman's presem salruy is ₹ 83160. What is the value of A?
What is the value of $$\frac{7}{2}+\frac{11}{3}+\frac{7}{6}+\frac{11}{15}+\frac{7}{12}+\frac{11}{35}+........+\frac{7}{156}+\frac{11}{575}$$?
Vinay and Mahesh are 250 metres aprut from each other. They are moving towrards each other with the speed of 36 km/hr and 54 km/hr respectively. In how much time will they meet each other?
Length of a train is 330 metres and it is moving at the speed of 72 km/hr. In how much time will it takes cross a platform of length 710 metres?
If $$\sqrt[3]{N}$$ lies between 6 and 7, where N is an integer then how many values N can take?
Volume of a cone whose radius of a base and height are r and h respectively, is 400 cm$$^3$$. What will be the volume of a cone whose radius of base and height are 2r cm and h cm respectively?
What is the value of $$\frac{\sqrt{7} + \sqrt{5}}{\sqrt{7} - \sqrt{5}} \div \frac{\sqrt{14} + \sqrt{10}}{\sqrt{14} - \sqrt{10}} + \frac{\sqrt{10}}{\sqrt{5}}$$?
The sum of the curved surface area and total surface area of a solid cylinder is 2068 cm$$^2$$. If radius of its base is 7 cm, then what is the volume of this cylinder? ( use $$\pi = \frac{22}{7}$$)
When an article is sold at 5 percent discount, then there is a profit of 14 percent. If the discount is 11 percent, then what will be the profit?
