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Sequence Group II (Posted on 2008-07-21) Difficulty: 2 of 5
Four positive integers P, Q, R and S with P < Q < R < S are such that P, Q and R (in this order) are in arithmetic sequence and Q, R and S (in this order) are in harmonic sequence.

Given that S - P = 19, determine all possible quadruplet(s) (P, Q, R, S) that satisfy the given conditions.

See The Solution Submitted by K Sengupta    
Rating: 4.0000 (1 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re: Solution Comment 3 of 3 |
(In reply to Solution by Praneeth)

Thanks, Praneeth.

I confirm having hyperlinked your methodology in my solution.


  Posted by K Sengupta on 2008-08-05 12:12:01
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