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Quantitative Aptitude

Application of Probability

There are 5 r...

Question

There are 5 routes to go from Cochin to Bangalore and 4 ways to go from Bangalore to Mumbai., the how many ways are possible for going from Cochin to Mumbai via Bangalore?

A

20

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B

128

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C

625

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D

1024

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Solution

The correct option is A 20
Total number of routes possible $=^{5} C_{1} \times^{4} C_{1} = 5 \times 4 = 20$

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