Arithmetic Progressions Q1 — Class 10 Maths Solution

Maths Arithmetic Progressions Medium

In which of the following situations does the list of numbers involved make an arithmetic progression, and why?

(i)The taxi fare after each km when the fare is Rs $15$ for the first km and Rs $8$ for each additional km.
(ii)The amount of air present in a cylinder when a vacuum pump removes $\frac{1}{4}$ of the air remaining in the cylinder at a time.
(iii)The cost of digging a well after every metre of digging, when it costs Rs $150$ for the first metre and rises by Rs $50$ for each subsequent metre.
(iv)The amount of money in the account every year, when Rs $10000$ is deposited at compound interest at $8%$ per annum.

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