• Rajni

MemberFeb 8, 2014

Brain teaser.. What's next in Series.

Fun Time.. Puzzle Time.

What are the next three numbers in this series?
4, 6, 12, 18, 30, 42, 60, 72, 102, 108, ?, ?, ?

Brain Teaser, if you can solve this without searching at Google.
Let us know the logic behind your solution as well.
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Replies
• MemberFeb 9, 2014

If too tough...
Hint: this has something to deal with prime numbers....
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• MemberFeb 9, 2014

Math is so fun 😁
Twin Prime, Cousin Prime, Sexy Prime ☕
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The next numbers should be 138 , 150 , 180

The series is a list of a number between two prime numbers.
1. 138 (137 and 139 are prime)
2. 150 (149 and 151 are prime)
3. 180 (179 and 181 are prime)

@#-Link-Snipped-# Keep updating this series with more of next-in-series puzzles.
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• MemberFeb 13, 2014

Brain Buster....

What would be next number in series?
27, 82, 41, 124, 62, 31, 94, 47, 142, 71, 214, 107,?, ?, ?
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• MemberFeb 14, 2014

no clue??
Too tough for engineers?
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• MemberApr 23, 2014

Time up.
You tell
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• MemberJul 1, 2014

Rajni Jain
Brain Buster....

What would be next number in series?
27, 82, 41, 124, 62, 31, 94, 47, 142, 71, 214, 107,?, ?, ?
322,161,484
is this right..?
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• MemberJul 1, 2014

Rajni Jain
no clue??
Too tough for engineers?
I remember old days when #-Link-Snipped-# used to solve and post such brain buster. 😀
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• MemberJul 1, 2014

great brain teasers .
Honesty i haven't figured out the answer after little math.

waiting for new questions. !
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• MemberJul 16, 2014