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rahul

· started a discussion

· 1 Months ago

wrong (Question: 45061.0 )

wrong

Question:
A person starts from A and has to reach B. In how many ways he could reach B if he is only allowed to go by the right and top of the grid ?



Options:
A) 20
B) 15
C) 24
D) 36
E) 32
Solution:
Required ways = (3+3)!/3!3! = 6*5*4/6 = 20

mani

· commented

· 1 Months ago

wrong answer it shud be 6C3

mani

· commented

· 1 Months ago

wrong answer it shud be 6C3

kanhaiya jha

· commented

· 1 Months ago

its correct....required number of ways = (m+n)! / m!n!
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