The n th term of an arithmetic progression is 4n – 1. Write
down the first four terms of the arithmetic progression.
Q2.
The n th term of a geometric progression is Find the values of:
the first term
the second term
the common ratio
Q3.
The number of insects in a culture doubles every hour. If
there are 30 insects now, how many insects will there be after
5 hours?
Q4.
Robert saves $3,200 during one year, $3,600 the next year,
and so on, increasing his annual savings at the rate of $400
per annum. Find the number of years it will be before his
total savings amount to $90,000.
Q5.
The sum of the first six numbers in an arithmetic
progression is 345. The difference between the first and sixth
number is 55. Find the numbers.
Q6.
Determine the first eight terms of a geometric progression, given that
Find the values of: 
of a geometric progression, given that 