Mathematics for IGCSE & O level - Probability (Section 4 - No. 12)

What are the odds in favor of rolling an even number on a standard six-sided die?

1:2

1:3

1:1

3:1

There are 3 even numbers (2, 4, 6). The odds are 3 (favorable outcomes) to 3 (unfavorable outcomes), which simplifies to 1:1