Question

find the missing no 1,3,6,10,?,21,28....

Answer 1

the Missing number is 15

hope this helps you.......

Answer 2

hey friend,

_______________________________
The missing number is 15.

As, after 1 there is 3
3+3 = 6

6+4 = 10

10+5 =15

15+6 = 21

21+7 = 28

We just need to add 1 more to the second no.
_______________________________

I hope this answer helps you...

Plz mark my answer brainliest...