Question

In a bike race, the odds against three bikes are 3 : 1, 2 : 1, and 4 : 1. The probability that one of the bikes will win the race is ______

Options

• `37/60`

• `47/60`

• `1/4`

• `3/4`

Answer 1

In a bike race, the odds against three bikes are 3 : 1, 2 : 1, and 4 : 1. The probability that one of the bikes will win the race is `underline(47/60)`.

Explanation:

The probabilities of winning the race by three bikes are `1/4, 1/3` and `1/5`. 

Hence, required probability = `1/4 + 1/3 + 1/5 = 47/60`