Practice Questions on Arithmetic Progression :
Worksheet given in this section will be much useful for the students who would like to recall the concept of arithmetic progression.
(1) In which of the following situations,does the list of numbers involved make an arithmetic progression,and why?
(i) The taxi fare each km when the fare is Rs.15 for the first km and Rs.8 for each additional km. Solution
(ii) 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. Solution
(iii) The cost of digging a well after every meter of digging,when it costs Rs.150 for first meter and rises by Rs.50 for each subsequent meters. Solution
(iv) The amount of money in the account every year,when Rs.10000 is deposited at compound interest at 8% per annum. Solution
(2) Write first four terms of the A.P when the first term a and common difference d are given as follows.
(i) a = 1 0 d = 10 Solution
(ii) a = -2 d = 0 Solution
(iii) a = 4 d = -3 Solution
(iv) a = -1 d = 1/2 Solution
(v) a = - 1.25 d = -0.25 Solution
After having gone through the stuff given above, we hope that the students would have understood, the concept arithmetic progression.
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