SERIES

By Malayalam Tech Talk on Saturday, August 27, 2016

What will be the next number???? 6, 15, 28, 45, ?? Try to find the logic ,please click on the ANSWER link only if you cant figure out the answer.

Answer
2 x 3 = 6;
3 x 5 = 15;
4 x 7 = 28;
5 x 9 = 45;
So the 1st multiple is following the sequence 2, 3, 4, 5 and so next will be 6. The 2nd multiple is following the sequence 3, 5, 7, 9 and so next will be 11.
 So last number in the sequence is; 6 x 11 = 66
 Answer = 66