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Maths Puzzle
A sequence of numbers is represented as a1,a2,a3,....,an. Each number in the sequence (except the first and the last) is the mean of the two adjacent numbers in the sequence. If a1=1 and a5=3,what is the value of a3 ?
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- a3=2
series is
1,3/2,2,5/2,3, 7/2..... - 12 years agoHelpfull: Yes(2) No(3)
- a3=3
The sequence being 1,2,3,4,5...... - 12 years agoHelpfull: Yes(1) No(3)
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