top button
Flag Notify
    Connect to us
      Facebook Login
      Site Registration Why to Join

    Get Free Puzzle Updates

Facebook Login
Site Registration

1 + 3 + 5 + 7 +..........x = 12544 ; x is the last term of the sequence. What will be the value of x ?

0 votes
posted Apr 2, 2015 by Divya Bharti

Share this puzzle
Facebook Share Button Twitter Share Button Google+ Share Button LinkedIn Share Button Multiple Social Share Button

1 Solution

+3 votes

12544=n/2 *(2*1+(n-1)*2)
Last term=a+(n-1)*d=1+(112-1)*2

solution Apr 2, 2015 by Jaspalsingh Parmar

Similar Puzzles
+1 vote

In the sequence of numbers 4,7,-7,....., the first term is 4. Each even numbered term is 3 more than the previous term.Each odd numbered term after the first is -1 times the previous term. What is the sum of the first 22 terms?

+1 vote

Find the value of x and y if

[40/(x+y)] + [2/(x-y)] = 5
[25/(x+y)] - [3/(x-y)] = 1

+2 votes

x, y, z and k are four non zero positive integers satisfying 1/x + y/2 = z/3 + 4/k, minimum integral value of k for integral value of x, y and z will be

Contact Us
+91 9880187415
#280, 3rd floor, 5th Main
6th Sector, HSR Layout
Karnataka INDIA.