Permutations and Combinations Doubts
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The figure below shows the plan of a town. The streets are at right angles to each other. A rectangular park (P) is situated inside the town with a diagonal road running through it. There is also a prohibited region (D) in the town
Neelam rides her bicycle from her house at A to her office at B, taking the shortest path. Then the number of possible shortest paths that she can choose is
60
75
45
90
72
Neelam rides her bicycle from her house at A to her club at C, via B taking the shortest path. Then the number of possible shortest paths that she can choose is
1170
630
792
1200
936
Posted : 18/08/2021 2:59 pm
Posted : 27/08/2021 1:09 am
