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Now armed with their wands, the champion...

Now armed with their wands, the champions enter the maze. The maze is divided into boxes and trees are placed in some of those boxes ( 1 tree per grid), a dementor is waiting for Harry on every tree, the only way Harry can stop dementors from following him if he places one of his patronus stags adjacent to every tree. There is a number mentioned out- side every row and column that indicates the number of patronus stag to be placed on every row and column. The value of every box in the maze is given by the product of the the row and column number( eg, value of top left box is `2 xx 3 = 6`). Harry manages to strategically place stags all over the maze. What do you think will be the sum of values of all boxes in which stags are placed?
After successfully fighting of the dementors in the tri-wizard, Harry finally reaches to the end of the maze and grabs the Tri-Wizard Cup which again turns out to be a port key and it transports Harry to IIT Guwahati where more challenges await.

A

39

B

32

C

47

D

43

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