Question

2. Fill in the blank number in the series
30
59
89
148
237
----
622

a.385
b.345
b.360​

Answer 1

Answer:

385

because there is difference between 89-59=30

148-89=59 , 237-148=89

so then we get the difference amount 148 and here we add237+148=385

when we subtract this the difference amount is 148