The One In "The Drowning City"

The  city of skyscrapers consists of buildings of heights ranging from one to nine arranged in a 6x6 grid. (Rule-1)The number of people living in each building is equal to its height. (Rule-2)Rows 1,2,3 are similar to the rows 4,5,6 respectively and column A is similar to column D, columns B and C are reverse of columns E and F respectively. (Rule-3)Around any building there is no building of the same height. Also there is no building with a height difference of 1 to the right, left, up and down of a building.

It is the rainy season of 2013. the city is flooded and a rescue team headed by Uttej roams (outside the grid) with a boat and a flashlight, (Rule-4)on top of column F, moving anticlockwise, and ending at right of the first row. They light the flash along the row or the column corresponding to their position. (Rule-5)All the people of a building are rescued if that building can be seen, that is, if there is no building of greater or equal height between it and the flash. (Rule-6)The numbers written at top of some rows or beside some columns represents the number of people rescued when flash is lighted from that position.

                                        

Question 1:
How many people will enter the ship when the flash is lighted from the bottom of column B?
1) 4        2) 11        3) 12        4) 20


Question 2:
How many people died in the flood?
1) 18        2) 26        3) 25        4) 24


Question 3:
How many more people would have been saved if the flash were lighted along the diagonals as         well?
1) 9        2) 10        3) 11        4) 12



Guidelines:
Give complete strategies used to get the answer that would help our team and your fellow contestants to know the way you thought.
To give the reason for a particular step, you can use the Rule numbering as per the Question.

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Regards

Team Techno'13

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