4, 9, 20, 43, 90, 185, _?_


A) 376

B) 385

C) 285

D) 265

Correct Answer:
A) 376

Description for Correct answer:
Double each figure and add 1, 2, 3 4 Sand so on.

\( \Large 4 \times 2+1=9 \)

\( \Large 9 \times 2+2=20 \)

\( \Large 20 \times 2+3=43 \)

\( \Large 43 \times 2+4=90 \)

\( \Large 90 \times 2+8=485 \)

\( \Large 185 \times 2+6=376 \)

Part of solved Number series questions and answers : >> Aptitude >> Number series








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