solve this number puzzle

You have 4 numbers - 6, 15, 28, 45. Your goal is to find the fifth in a row based on the sequence pattern. Are you able to solve this brain teaser?

created by topriddle

27 liked this

52 solved this

Register for FREE

See full ranking list

nine

Correct answer is 66, because the sequence pattern is: 6+9=15 (add 9), 15+13=28 (add 9+4), 28+17=45 (add 9+4+4), 45+21=66 (add 9+4+4+4).

You may also like