Answer: 1. B. 1:3
2. A.

Explanation:
- The ratio of m to n is written as

1. Given : Rachel has 6 pairs of black shoes and 2 pairs of red shoes.
Then, the ratio of pairs of red shoes to pairs of black shoes will be :_

Which is written as 1:3.
Hence, the ratio of pairs of red shoes to pairs of black shoes = 1:3
Thus , correct option : B. 1:3
2. Given : In a probability experiment, Eric flipped a coin 42 times. The coin landed on heads 28 times.
Then, the ratio of heads to tails in this experiment will be :-

Hence, the correct option is : A.
