Latest self Aptitude Question SOLUTION: A toy train produces 10 different sounds when it moves around a circular toy track of radius 5 m at 10 m per min. However, the toy train is defective and it now produces only 2 dif

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(#M40001762) SELF question Zoya Husain18 January Keep an EYE

A toy train produces 10 different sounds when it moves around a circular toy track of radius 5 m at 10 m per min. However, the toy train is defective and it now produces only 2 different tunes at random. What are the odds that the train produces for consecutive music tones of the same type?
a) 1 in 16 B) 1 in 4+ c) 1 in 8 d) 1 in 32

Solution

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Aashu (13 years ago)

Solved Read Solution (3)

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dharmil  (13 years ago)

1/(2^2)=1in4

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Apoorv Malik  (12 years ago)

Initially it produces 10 sounds and the defect came and now it produces only 2different sounds and consecutively so there are totally 2 sounds and we have to select one sound and the probability is ½ and it produces the same sound concecutively for 2 times sothe probability becomes ½*1/2 ie ¼

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Gopalakrishnan  (13 years ago)

1/2^5=8

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