One number is wrong in the 7 series. Find out the wrong
number.
864, 420, 200, 96, 40, 16, 6
Correct Answer: Description for Correct answer:
Take the figures from left to right
6, 16, 40, 200, 420, 864.
\( \Large 6 \times 2+4=16 \)
\( \Large 16 \times 2+8=40 \)
\( \Large 40 \times 2+12=92 \)
\( \Large 92 \times 2+16=200 \)
92 is the correct answer. 96 is wrong.
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>> Aptitude >> Number series