Q. 1HN, 2HM, 3LM, 4BM, 5BN, 6CN, 7NN, 8ON, 9FE, ?
What comes there at '?' ?
Ans: 10NN
nth term in sequence: Atomic Number(n), Ist and last character of the name of nth element.
1 Hydrogen, 2 Helium, 3 Lithium, 4 Beryllium, 5 Boron, 6 Carbon, 7 Nitrogen, 8 Oxygen,
9 Fluorine, 10 Neon
So ? = 10NN
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Tuesday, September 11, 2007
Numbers puzzle (scientific)
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