Total questions 28 Part A 20 Questions with 3 mark each, and negative mark 1 for each wrong answer Part B 8 Questions with 5 mark each, and negative mark 1

one of the 3 mark Question A 5/5 chess like rectangular board on which the cells are numbered from 1, 1 to 5, 5(two diagonally opposite corners) .at first the coin is at 1, 1. It is allowed to move only in two directions 1,1 -> 1,2 (right)or 1,1 -> 2,1 (up). Then how many ways are there for the coin to move from 1,1-> 5,5 ? I think Ans) 8!/(4!*4!) =70

one of the 3 mark Question A 5/5 chess like rectangular board on which the cells are numbered from 1, 1 to 5, 5(two diagonally opposite corners) .at first the coin is at 1, 1. It is allowed to move only in two directions 1,1 -> 1,2 (right)or 1,1 -> 2,1 (up). Then how many ways are there for the coin to move from 1,1-> 5,5 ? I think Ans) 8!/(4!*4!) =70

Question:In a chess board a coin can move in following way, either one position upward or one position left. Suppose the coin is at 1,1 it can move to 1,2 or 2,2 .How many ways the coin can reach the position 5,5 from 1,1??

....please correct the coin can move 1,2 or 2,1 and not 2,2 in my explanation.....

Total questions 28

Part A 20 Questions with 3 mark each, and negative mark 1 for each wrong answer

Part B 8 Questions with 5 mark each, and negative mark 1