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Results tagged with logical-deduction
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user 71679
A puzzle that requires formal logical deduction to arrive at the solution. This suggests more than merely reasoning through clues to find an answer (you might want [situation] for that).
8
votes
Logical puzzle from a math homework for Russian fifth-year school students
Alternate 4th solution:
13 26 52
11 22 44
13=13*1 26=13*2 52=13*2*2
11=11*1 22=11*2 44=11*2*2
and the formula is
x*2^i
where i=0,1,2,3,4...
and x is prime
.
- 81