Year 11 Quiz Bee December 11

Every 30 seconds, you can text 35 words. How many words can you type in 5 mins?

• 1200

• 1000

• 350

• 1,800

Mr. L can fold 48 paper stars in 2 hours.

How many stars can he fold in 3 h?

• 48

• 72

• 24

• 96

Evaluate $27^{\frac{2}{3}}$  

• 3

• 18

• 9

• 6

What comes next?

2^{2 =} 2x2

2³=2x2x2

2⁴=2x2x2x2

• 2⁵=2x2x2x2

• 2⁶=2x2x2x2x2x2

• 2⁵=2x2x2x2x2

• 2⁶⁼2x2x2x2x2

A person’s weekly pay is directly proportional to the number of hours worked. Shawn’s pay is $123.00 for 20 hours of work. What is the constant of variation?

• k = 123

• k = 6.15

• k = 20

• k = 0.16

Is this a direct proportion?

y=2x

• yes

• no

Which of the following is the correct formula in finding the nth term of an arithmetic sequence?

• an = a1 + (n - 1)d

• an = a1 - (n - 1)d

• an = a1 + (n + 1)d

• an = a1 +- (n + 1)d

In the sequence 9, 18, 27, 36 and so on, what is the common difference?

• 5

• 9

• 7

• 11

Find the 10th term in the sequence that starts with 1 and has a common difference of 3.

• 28

• 24

• 25

• 26

The red shading of the picture above represents

• A ∩ B

• A U B

• (AUB)’

• A'