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The first term of an Arithmetic Progression (AP) is 200. The sum of the first 10 terms of AP is 24500.

The first term of an Arithmetic Progression (AP) is 200. The sum of the first 10 terms of AP is 24500.
(a) (i) Find the common difference.
(ii) Given that the sum of the first n terms of the AP is 80100, find n.
(b) The 3^rd, 5^th and 8^th terms of another AP, form the first three terms of a Geometric Progression (GP). If the common
difference of AP is 5, find:-
(i) The first term of the GP.
(ii) The sum of the first 12 terms of the GP, to four significant figures.

Answers

sharon kalunda answered the question on April 26, 2019 at 11:00

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