What are the next four terms in the following geometric sequence? 5, 15, 45,… Solution:- First we are find common ratio = 3 In geometric sequence we have…
Month: March 2015
Problem 641
What is the common ratio of the following geometric sequence? 5, 15, 45,… Solution:- Common ratio = common ratio = common ratio = 3
Problem 640
Find S10 for -1 + -7 + -13 + -19 +… Solution:- We know S = , Where a1 = first term , n = finding…
problem 639
Find S10 for 2 + 5 + 8 +… Solution:- We know S = , Where a1 = first term , n = finding term , d =…
Problem 638
Find S25 for Solution:- We know S = , Where a1 = first term , n = finding term , d = second term – first term S25…
Problem 637
What is the 20th term of the following arithmetic sequence? Solution:- We know an = a1 + (n -1)*d , Where an = finding term , a1 =…
Problem 636
Find the four arithmetic means between 100 and 135. Solution:- In the question first term 100 sixth term 135 a + 5d = 135 100 + 5d =…
Problem 635
Find the four arithmetic means between -21 and -36. Solution:- In the question first term -21 sixth term -36 a + 5d = -36 -21 + 5d =…
Problem 634
What is the 25th term in the following arithmetic sequence? -7, -2, 3, 8, … Solution:- We know an = a1 + (n -1)*d , Where an =…
Problem 633
What are the next four terms in the following arithmetic sequence? -7, -2, 3, 8, … Solution:- First we find the value of d = -2 – (-7)…
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