unit -8 permutation and combination

There are 2 vegetarian options and 5 meat options on a dinner menu.what is the total number of options available?

• 5

• 2

• 7

• 3

A student in shopping for a new computer. He is deciding among 6 desktop computers and 4 laptop computer . what is the total number of computer options?

• 10

• 2

• 6

• 4

There are 2 starter options ( soup and salad) , 3 entree options ( chicken,fish, steak ), and 2 dessert options ( cake and pudding ) on a fixed- price dinner menu.what is the total number of options available?

• 2+3+2=7

• 2*3*2=12

• 5

• 3

Anjali packed 2 - skirts, 4 blouses and a sweater for her business trip. She needs to choose a skirt and a blouse for each outfit and decide whether to wear the sweater . Use the multiplication principle to find the total number of possible outfits ?

• 4*2*1=8

• 2*4*2=16

• 4

• 4+1+2=7

A student is shopping for a new computer.He is deciding among 5 desktop computer and 6 laptop computers. What is the total number of computer options?

• 6

• 5

• 6+5=11

• none of these

The only clean clothes you've got are 2 t- shirts and 4 pairs of jeans. How many different combinations can you choose?

• 4*2 = 8

• 2* 8 = 16

• 2

• 4

Four red and 6 green marbles are placed in a bag. How many marbles are there to choose from?

• 4

• 10

• 6

• 2

In a deck of 52 cards,find the number of option of choosing a card at random that is a spade or a 7.

• 13+ 3 = 16

• 3

• 13

• 10

If you roll one die, what is the chances of getting an even number or a multiple of 3?

• (2,4,6) = 3

• (3,6)=2

• (2,3,4,6) =4

• (1,2,3,4,5,6) =6

A bag contains 9 green, 5 yellow and 6 red marbles . You choose one marble .What are the number of options of selecting a green or a red marbles?

• 9+6 =15

• 9+5 =14

• 5+6=11

• 9+5+6=20