Latest Huawei Aptitude Question SOLUTION: 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

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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

Asked In Huawei chandreyee chowdhury (10 years ago)

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J.DHANDAPANI  (10 years ago)

ALWAYS THERE WILL BE ONLY ONE SHORTEST PATH, SO ,ANS:1

Is this solution Helpfull? Yes (20) | No   

sindhu  (10 years ago)

No of ways to reach from A to M =
M+N
C
M
Where, M = Number of steps of horizontal movement
N = Number of steps of vertical steps
2+2
C
2
=
4
C
2
= 6 ......... (1)
Number of ways to reach from M to N taking shortest
possible root = 1
(diagonal MN)
Number of ways from N to B = (here M=4 & N=2 from l
ogic used in (1))
6
C
2
=
15
So, total number of shortest ways to reach from A t
o B =6*1*15 =90 ways

Is this solution Helpfull? Yes (1) | No (9)  

ARKAJA MISHRA  (9 years ago)

Ans. From A to B = 90 paths
From B to C via N = 6 (an not via M)
From B to C via M = 7 paths
In all 90 * (6+7) = 1170 paths

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