GATE | CS | 2007 | Discrete maths | Combinatorics |Question 85

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Consider the data given in above question.
Suppose that the robot is not allowed to traverse the line segment from (4,4) to (5,4). With this constraint, how many distinct paths are there for the robot to reach (10,10) starting from (0,0)? 

 

GATECS200785


 

C
 

D
 

B
 

A
 

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