Sequences and Series

Sequences and Series​

By Dr Kee

Multiple Choice

1.    The sequence 3, 12, 48, 192,… has

• a common ratio of 3

• a common difference of 3

• a common ratio of 4

• a common difference of 4

Multiple Choice

2.    The sequence 32, -8, 2, -0.5 ,… has

• a common ratio of 1/4

• a common difference of 1/4

• a common ratio of -1/4

• a common difference of -1/4

Multiple Choice

15. The sequence 1,1,2,3,5,8,... is

• arithmetic

• geometric

• Fibonacci

• None of the above

Open Ended

20.    You are offered a temporary job working for a company for 20 days. The company offers to pay you (A) $1500 per day or (B) 1/2 cent the first day and double the pay each day thereafter.

How much money do you make in 20 days of pay A?

Open Ended

21.    You are offered a temporary job working for a company for 20 days. The company offers to pay you (A) $1500 per day or (B) 1/2 cent the first day and double the pay each day thereafter.

How much money do you make in 20 days of pay B?