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GATE | GATE-CS-2007 | Question 84
Suppose that a robot is placed on the Cartesian plane. At each step it is allowed to move either one unit up or one unit right, i.e., if it is at (i,j) then it can move to either (i+1,j) or (i,j+1).
How many distinct paths are there for the robot to reach the point (10,10) starting from the initial position (0, 0)
(A)
C
(B)
D
(C)
B
(D)
A
Answer
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