7,13,31,98,397,? what is series
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0
Answer:
525
Step-by-step explanation:
535 is the correct answer
Answered by
0
535.
The series goes as:
(7×1) + 6 = 13
(13×2) + 5 = 31
(31×3) + 4 = 98
(98 × 4) + 5 = 397
(397 × 5 ) + 6 = 535
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