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Find Next Three Numbers

Puzzle:

Find next three numbers in the given series...

1 2 3 2 1 2 3 4 2 1 2 3 4 3 2 ? ? ?

For Solution visit the blog tomorrow.

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Solution:

The next three numbers are 3, 4 and 5.

The pattern is - the number of letters in the Roman numeral representation of the numbers i.e. number of letters in I, II, III, IV, V, VI, VII, VIII, IX, X, XI, XII, XIII, XIV, XV, ..... Hence, the next numbers in the given series are 3(XVI), 4(XVII), 5(XVIII), 3(XIX), 2(XX), 3(XXI), 4(XXII), 5(XXIII), 4(XXIV), 3(XXV), etc...

4 comments:

Anonymous said...

1 2 3

Anonymous said...

1 2 3

Ankur Gupta said...

i donno the logic..but ans is 1 2 3
as by simple prediction

Deepika said...

pretty neat