4 13 27 46 9 23 42 66 14 33 _ 86 19

Answers 2

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

Answer:

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!

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