If there are five trains from P to Q and 2 trains from Q to R, in how many ways can one travel from P to R by train (assume there are no direct trains from P to R)?
Choices:-
5
8
10
15
Answers
Answered by
1
Answer:
8
Step-by-step explanation:
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Answered by
4
Given : there are five trains from P to Q and 2 trains from Q to R,
To Find : ways one can travel from P to R by train
5
8
10
15
Solution:
Person can got from P to Q in 5 ways
Person can go from Q to R in 2 Ways
Total Ways = 5 x 2 = 10
One can travel in 10 ways from P to R
Trains from P to Q = { 1 , 2 , 3, 4 , 5}
Trains from Q to R = { A , B }
Total Ways from P to R
= { (1A) , (2A) , (3A) , (4A) , (5A) , (1B) , (2B) , (3B) , (4B) , (5B) }
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