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The A, BB, CCs (Posted on 2002-12-14) Difficulty: 2 of 5
What is the next entry in the series?

A, BB, CC, DD, E, F, G, H, II, JJ, K, LL, MM, NN, OO, PP, QQ, RR, SS, T, UU, VV, WW, X, Y, ______.

See The Solution Submitted by cges    
Rating: 2.0000 (11 votes)

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Solution Puzzle Solution Comment 7 of 7 |
(In reply to answer by K Sengupta)

Letters that are doubled when these can be written without  lifting  the pencil off the paper are:

B, C, D, I, J, K, L, M, N, O, P, Q, R, S, U, V, W, Z

Letters that are not doubled when these cannot be written without lifting the pencil off the paper are:

A, E, F, G, H, K, T, X, Y

Writing the letters in alphabetical order, the letter Z comes after Y.

Since Z is doubled when lifting the pencil off the paper, we observe that the required missing term is ZZ. 

Edited on July 12, 2008, 4:36 pm
  Posted by K Sengupta on 2008-02-26 23:31:07

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