Question

What is the value of 7P3?
21
150
210
375


What is the value of 4C2?

6
8
16
80


There are 20 books on the summer reading list. In how many different ways can you choose one per week for six weeks?

120
21,400
10,350,200
27,907,200


The probability that a spinner will land on a blue section is 1over4. What is the probability that the spinner will not land on a blue section?

1over4
1over2
3over4
1

Answer 1

1. \[7 \times 6 \times 5 = 210\]

2. \[\frac{4 \times 3}{2}=6\]

Answer 2

1. \[7 \times 6 \times 5 = 210\]

2. \[\frac{4 \times 3}{2}=6\]

3. 20P6\[20 \times 19 \times 18 \times 17 \times 16 \times 15\]

Answer 3

Did you understand?