Mathematics in the Modern World

In how many ways can 5 people be arranged in a line?

• 5

• 1

• 120

• 10

Which of the following is used to find out the number of linear arrangements that can be done in a group of items?

• Permutation

• combination

• probability

• odds

What is zero factorial?

• 0

• 1

• ∞

• undefined

What is nine factorial?

• nine times eight times seven times six times five times four times three times two times one times zero

• three six two eight eight zero

• three hundred sixty two and eight - eighty cents

• three hundred sixty two thousand eight hundred eighty

How many three letter combinations can be created out of the English alphabet? (assuming no repetitions of letters)

• two sixty

• two thousand six hundred

• fifteen thousand six hundred

• one-five-six-oh-oh

What is the probability of getting a "four - card" out of a standard deck of car?

• ¼

• 4/50

• 1/30

• 1/13

What is the probability of getting an ace or a queen out of a standard deck of card?

• 1/13

• 2/13

• 3/13

• 8

Anna has 4 black shirts, 3 white shirts, 3 yellow shirts and 2 red shirts in her closet. Today, she was not in the mood to choose what clothes to wear, so she just randomly picked any shirt in her closet. What is the probability that she picked a white shirt?

• ¼

• 1/3

• 1/6

• 0

A small carinderia has two choices for rice - plain or fried, two options for pork - adobo or menudo, and three choices for vegetables - chopseuy, ginataang langka, and pinakbet. How many ways can a person order 1 rice, one pork, and one vegetable?

• 7

• 12

• 35

• 210

(Based on question number nine.) Hiro is too busy to buy lunch so he told his friend to just pick rice, pork and vegetable from the carinderia in question number What is the probability that his friend will pick fried rice, adobo and pinakbet?

• 1/7

• 1/12

• 1/35

• 1/210