Question

Which of the following situations do not form an A.P.?

(i) The fee charged from a student every month by a school for the whole session when the monthly fee is ₹ 400.

(ii) The fee charged every month by a school from classes I to XII, when the monthly fee for class I is $₹250$ and it increases by $₹50$ for the next higher class.

(iii) The amount of money in the account of Sanchi at the end of every year when ₹ 1000 is deposited at simple interest at the rate of $10\%$ per annum.

(iv) The number of bacteria in a certain food item after each second, when they double themselves in every second.

Answer 1

The correct option is (D)