Problem solving with further sequences

12 questions

1. Interest which is calculated on the original amount and the interest accumulated over the previous period is called __________ interest.
2. Match the type of sequence with its description.
3. Which of these could be the first 5 terms in an arithmetic sequence?
4. Which of these could be the first 5 terms in a geometric sequence?
5. If a geometric sequence starts 20, 60, 180, ... what is the common ratio (common multiplier)?
6. If a geometric sequence starts 50, 60, 72, ... what is the common ratio? Give your answer as a decimal.
7. What type of sequence has been shaded on Pascal's triangle?
8. Which of these best describes the sequence of numbers shaded on Pascal's triangle?
9. £24 000 is borrowed at a compound interest rate of 5% a month. How much is owed after 3 months?
10. £800 is borrowed with yearly compound interest and after a year £1040 is owed. What is the yearly interest rate?
11. A loans company charges 6% interest a month. If £2650 was owed after one month, how much was borrowed?
12. £750 was borrowed with compound interest and after 2 years making no repayments £1080 was owed. What was the yearly interest rate?

License: OGL