In a network of railways, a small island...

In a network of railways, a small island has 15 stations. Find the number of different types of tickets to be printed for each class, if every stations must have tickets for other stations.

A

220

B

210

C

200

D

None of these

Text Solution

Verified by Experts

The correct Answer is:

B

Topper's Solved these Questions

THEORY AND EXERCISE BOOK
MOTION|Exercise EXERCISE -2 (LEVEL - I)|23 Videos
THEORY AND EXERCISE BOOK
MOTION|Exercise EXERCISE - 2 (LEVEL -II)|18 Videos
TANGENT & NORMAL
MOTION|Exercise EXERCISE 4|14 Videos
THREE DIMENSIONAL GEOMETRY (3 -D)
MOTION|Exercise SOLVED EXAMPLE|33 Videos

Similar Questions

Explore conceptually related problems

On a railway route there are 20 stations. What is the number of different tickets required in order that it may be possible to travel from every station to every other station

There are 10 railway stations between a station X and another station Y. Find the number of different tickets that must be printed so as to enable a passenger to travel from one station to any other.

On a raiway there are 10 stations. The number of types of tickets required in order that it may be possible to book a passenger from every staton to every other is

On a railway there are 20 stations.The number of different tickets required in order that it may be possible to travel from every station to every station is

There are 15 stations on a certain railway line. How many different types of tickets must be printed so that a passenger can travel from any station to another in that line?

There are five stations on a railway line. What is the number of different journey tickets that are required for railway authorities?

There are n stations on a railway line. The number of kinds of tickets printed (no return tickets) is 105. Find the number of stations

There are 50 stations on a railway line.The number of different kinds of single 2 nd class tickets must be printed so as to enable a passenger to travel from one station to another station is:

MOTION-THEORY AND EXERCISE BOOK-EXERCISE - 4 (LEVEL -II)

In a network of railways, a small island has 15 stations. Find the ...
Text Solution
|
The number of arrangements of the letters of the word BANANA in whi...
Text Solution
|
Number of points with integral co-ordinates that lie inside a triangle...
Text Solution
|
Using permutation or otherwise, prove that (n^2)!/(n!)^n is an integer...
Text Solution
|
r, s, t are prime numbers and p, q are natural numbers such that LCM o...
Text Solution
|
The letters of the word COCHIN are permuted and all the permutation...
Text Solution
|
Consider all possible permutations of the letters of the word ENDEANOE...
Text Solution
|
The number of seven digit integers, with sum of the digits equal to 10...
Text Solution
|
Let S={1,,2,34} . The total number of unordered pairs of disjoint s...
Text Solution
|
The total number of ways in which 5 balls of differ- ent colours can b...
Text Solution
|
Let a(n) denote the number of all n-digit numbers formed by the digits...
Text Solution
|
Let a(n) denote the number of all n-digit numbers formed by the digits...
Text Solution
|
Consider the set of eight vector V={a hat i+b hat j+c hat k ; a ,bc in...
Text Solution
|
A pack contains n cards numbered from 1 to n. Two consecutive numbered...
Text Solution
|
Let ngeq2 be integer. Take n distinct points on a circle and join each...
Text Solution
|
Let n1<n2<n3<n4<n5 be positive integers such that n1+n2+n3+n4+n5=20...
Text Solution
|
Let n be the number of ways in which 5 boys and 5 girls can stand in a...
Text Solution
|
A debate club consists of 6 girls and 4 boys. A team of 4 members is t...
Text Solution
|
How many 3xx3 matrices M with entries from {0,1,2} are there, for whic...
Text Solution
|
Word of length 10 are formed using the letters A,B,C,D,E,F,G,H,I,J....
Text Solution
|
In a high school, a commintee has to be formed from a group of 6 boys ...
Text Solution
|