Home Maths Probability Hard One of the two events must occur. If the cha…
Maths Probability Hard Single Correct MCQ
Published on: August 14, 2026

One of the two events must occur. If the chance of one is 2/3 of the other, then odds in favour of the other are

A
2 : 3
B
1 : 3
C
3 : 1
D
3 : 2

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Text Solution

Verified by Experts
The correct answer is:
D

Let be the probability of the other event, then the probability of the first event is Since two events are toally exclusive, we have

Hence odds in favour of the other are i.e. .

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