Directions (1 - 4): The following figure represents flow of natural gas through pipeline between major cities A, B, C, D and E (in suitable unit). Assume that supply equals demand. Refer to it and answer the following questions.-
Line Chart direction image

What is number of units demanded in B?

If the number of units demanded in C is 225, what is the value of M?

If the total demand in E is 80% of demand in A, what is the demand in A?

Assuming the information of question number 2 and 3 to be true, what is the total demand in the five cities?