Maths Arithmetic Progressions Medium
In which of the following situations, do the lists of numbers involved form an AP? Give reasons for your answ…
In which of the following situations, do the lists of numbers involved form an AP? Give reasons for your answers.
- (i)The fee charged from a student every month by a school for the whole session, when the monthly fee is Rs 400.
- (ii)The fee charged every month by a school from Classes I to XII, when the monthly fee for Class I is Rs 250, and it increases by Rs 50 for the next higher class.
- (iii)The amount of money in the account of Varun at the end of every year when Rs 1000 is deposited at simple interest of 10% per annum.
- (iv)The number of bacteria in a certain food item after each second, when they double in every second.
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