235k views
1 vote
1,6,15, ?, 45, 66, 91
a. 25
b. 26
d. 28
c. 27​

User Yankees
by
8.2k points

1 Answer

6 votes

Answer:

d.28

Explanation:

The pattern is like this : add 5,9,13,17,21,25

so you need to add 13 to 15

and I believe you are missing a number

User Fernando Lopes
by
7.6k points

No related questions found