Question

There are seven pairs of black shoes and five pairs of white shoes. They are all put into a box and shoes are drawn one at a time. To ensure that at least one pair of black shoes are taken out, what is the number of shoes required to be drawn out? Select one:

Answer 1

Answer:

7/12 black shoes

seven shoes of black and five shoes white

total shoes = 12

Answer 2

Answer:

Black shoe of 7 and 5 of white