The bar graph shows average marks scored in a 100 marks History exam by students of 7 divisions of standard X. Study the diagram and answer the following questions.

What is the ratio of average marks scored by Division D to Division G?

The bar graph shows average marks scored in a 100 marks History exam by students of 7 divisions of standard X. Study the diagram and answer the following questions.

Which division scored the second lowest marks?

Two trains are moving in opposite directions with the same speed. If the length of each train is 144 metres and they cross each other in 9 seconds, then what is the speed (in km/hr) of each train?

U, V and W together can make a chair in 20 minutes. U and V together can make it in 25 minutes. How much time will (in minutes) W alone take to make the chair?

What will be the value of that smallest positive integer N, such that 294N is an integer?

If two successive discounts of 30% and 10% are given, then what will be the ratio of marked price to selling price?

A person sells wheat at a profit of 30%. If he reduces its selling price by Rs 60, then he suffers a loss of 10%. What was the initial selling price (in Rs)of the wheat?

A sum of Rs 10000 becomes Rs 14641 when invested at compound interest at the yearly interest rate of 20% per annum. If the compounding is done half yearly, then for how many years was the sum invested?