Answer:
57
Explanation:
make group of four
now see the difference between 9 and 4 ,14 and 9 is also 5
now check second digit there is the difference of 10 four third digit there is the difference of 15
so 42+15 =57
Author:
kayleek5sc
Rate an answer:
0Answer:
57
Explanation:
Jump to 4th number
4,9,14,19 difference 5!
13,23,33 difference 10!
27,42,_, ( 42-27=15,then 15+42=57) 57!
46,66,86 difference 20!
Author:
saramcgee
Rate an answer:
6