Question

10,13,41,85,?,221,313​

Answer 1

Answer:

13-5=8

41-13=28

85-41=44

313-221=92

[8×3=24+4=28

8×5=40+4=44

8×11=88+4=92]

next no. are 85+60=145 [8×7=56+4=60]

145+76=221 [8×9=72+4=76]

The missing number is145.

Hope it helps you.