For the following questions answer them individually
Ramesh sells an article at a loss of 20 percent. If he buys it for 30 percent less price and sells it for Rs. 36 less price, then his profit will be 10 percent. What is the cost price of the article?
The difference between compound interest and simple interest on Rs. x at 25% per annum for 2 years is Rs. 325. Find the value of x.
There are three cups of mixture of milk and water in ratio 4 : 5, 5 : 6, 9 : 7, 36 liters of first and 44 liters of second cup are taken. How much quantity from third cup is to be taken so that final mixture from the three cups will have milk and water in ratio 1 : 1?
What is the value of $$\frac{56}{7} \times\left(\frac{24}{81}\times \frac{729}{72} \right) + \frac{42}{6}$$?
A 1000 metres long train is running at the speed of 72 km/hr. If it crosses a bridge in 85 seconds, then what is the length of the bridge?
The average height of 40 sticks is 156 cm. Some sticks of average height 162 cm are taken out. If the new average height is 150 cm, then how many sticks are remaining?
The pie chart given below shows the number of mobile phones sold by six companies in a year. The total mobile phones sold by six companies are 300. Number of mobile phones sold by a particular company is shown as a percentage of total number of mobile sold by all these companies.
What is the average number of mobile phones sold by Q and S?