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Which number will replace the question mark (?) in the following series?
8, 26, 73, 157, 284, 464, 705, 1017, ?
1480
1840
1408
1804
Correct option 3: 1408
The pattern followed is
After analyzing we can infer that here alternate prime numbers are being added .
The prime numbers are - 29, 31, 37, 41, 43, 47,53,59, 61,67,71, 73, 79
Number skipped are 31, 41, 47, 59, 67,73
Hence 1408 is the correct number.
By: santosh ProfileResourcesReport error
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