Latest TCS Aptitude Question SOLUTION: Ram wants to visit 5 places like c, b, m, d, k. he will visit atleast 3 places in one trip and c will be visited in every trip. If visiting different places is considered as differ

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Ram wants to visit 5 places like c, b, m, d, k. he will visit atleast 3 places in one trip and c will be visited in every trip. If visiting different places is considered as different trips then how many ways can he go trips.

Asked In TCS (12 years ago)

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shyamlesh dash  (12 years ago)

C is in every trip -> So select this first in 1 way

Next, from the remaining 4, whose 2 more , 3 more and all four for the cases for exactly 3 places visited, exactly 4 places visited and exactly 5 places visited

1*(4C2 + 4C3 + 4C4) = 11 ?
any body mail me recent ques urgent shyamleshd@gmail.com

Is this solution Helpfull? Yes (60) | No (7)  

Abhishek Jain  (12 years ago)

c is common
atleast 3 places
4C2+4C3= 16

Is this solution Helpfull? Yes (1) | No (7)  

Tarun Sai  (12 years ago)

c is common i.e....... 1 way
so now only we need to select 2 out of 4 i.e..... 4c2
=> 1*4c2=6
*we cant select 3 or 4 since c is fixed and only visits at a time... :)

Is this solution Helpfull? Yes (1) | No (5)  

Thrinadh  (8 years ago)

c is common///
Take 2 from 4 city it is done by 4c2*3!+4c3*4!+5!=252.....
is it ryt frndss?

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

Debjani Goswami  (12 years ago)

if c is common in every trip,then no of trip is=5-1 =6
c
3-1

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