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Answers to Knot X.
151

CLASS LIST.


i.
Algernon Bray. S. S. G.
An Old Fogey. Tokio.
E. M. Rix. T. R.
G. S. C. White Sugar.
 
ii.
C. R. Magpie.
Delta. Simple Susan.
 
iii.
Dinah Mite. M. F. C.




I have received more than one remonstrance on my assertion, in the Chelsea Pensioners' problem, that it was illogical to assume, from the datum "70 p. c. have lost an eye," that 30 p. c. have not. Algernon Bray states, as a parallel case, "suppose Tommy's father gives him 4 apples, and he eats one of them, how many has he left?": and says "I think we are justified in answering, 3." I think so too. There is no "must" here, and the data are evidently meant to fix the answer