top button
Flag Notify
    Connect to us
      Site Registration

Site Registration

What is the next number in series ?

0 votes
370 views

1 , 3 , 6 , 10 , 15 , ??

posted Oct 6, 2014 by Pankaj Deshmukh

Share this puzzle
Facebook Share Button Twitter Share Button LinkedIn Share Button

2 Answers

+2 votes

21
1+2
3+3
6+4
10+5
15+6

answer Oct 6, 2014 by Muniprasad
0 votes

21..
15+6 = 21

answer Dec 8, 2014 by Chirag Gangdev
...