NUMBER OF TERMS TO BE ADDED TO GET THE GIVEN SUM WORKSHEET

Problem 1 :

How many terms of the series 32 + 36 + 40 + … when added together will give 200 ?

Solution

Problem 2 :

How many terms of the series 550 + 575 + 600 + … when added together will give 4375 ?

Solution

Problem 3 :

Find the number of terms of AP 20, 30, 40, … gives sum 3500.

Solution

Problem 4 :

Find the number of terms of AP 177, 174, 171, … gives sum 5310.

Solution

Problem 5 :

Find the number of terms of AP 15, 13.5, 12, … gives sum 82.5.                 Solution

Problem 6 :

How many terms of the AP -15, -13, -11, … are needed to make the sum -55 ?                Solution