Question

The next number in sequence 1,3,6,10,15.. will be​

Answer 1

Step-by-step explanation:

21 is the next number in this sequence

Answer 2

Answer:

21

Step-by-step explanation:

0,1,2,3,4,5,6

0+1=1

1+2 =3

3+3=6

6+4=10

10+5=15

15+6=21