MATHEMATICS · Multi-part · A Level · Mathematics · Sequences and series · Sequences and series
Problem
A student decides to save money every month. She deposits Rs 500 in the first month and increases her deposit by Rs 50 each succeeding month.
(i) Calculate the amount she will deposit in the 12th month.
(ii) Determine the total amount she will deposit from the 4th month to the 12th month, inclusive.