Question

In which of the following situations, does thevlist of numbers involved make an artistic progression, and why?
1) The taxi fare after each km when the fare is ruppees 15 for the first km and rupees 8 for each additional km.
2)The amount of air present in a cylinder when a vacuum pump removes 1/4 of the air remaining in the cylinder at a time.
3)The cost of digging a well after every metre of digging, when it cost ruppees 150 first metre and rises by rupees 50 for each subsequent metre.
4)The amount of money in the account every year, when ruppees 1000 is deposited at compound interest at 8%per annum.
plz help me
I want answers for all 4
the ch is Arthimetic progressions of class 10
if you answered all the four correct I will make you brainlist​

Answer 1

Answer:

This is because these languages have their own alphabets and writings. While other schedule language don't have their own alphabets or they are written in one among these languages' letters.