Question

Select the number from among the given options that can replace the question mark (?) in the following series. 4, 11, 31, 65, 193, ?

• A. 368
• B. 389
• C. 386
• D. 398

Answer 1

Answer:

B. 389

4*2+3=11 11*3-2=31 31*2+3=65 65*3-2=193 193*2+3=389