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Sunday Puzzle-12

User Rating: / 0
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Written by Administrator   
Sunday, 19 February 2012
Image
Puzzle courtesy of Barry R. Clarke, columnist for The Daily Telegraph and
international puzzle expert.

Back to Class

Image

Miss Flogginum, the mathematics teacher, was humiliating three of her pupils in front of the class. From left to right, Droopy, Dimwit and Dibdib stood with their back to the class and each had a digit from 0-9 pinned to his rear end, no digit being repeated. No pupil could see his own digit but was able to peep at the other two. The idea was that each had to make a statement about the two-digit number that would remain if he were not present. "It's the square of a whole number", said Droopy. "It's a prime number", reported Dimwit. Dibdib was bolder and surprised the class with a delightful observation. "The difference between the number and that formed by reversing the digits is three times the sum of the two digits."

What digit did each pupil have?

Related reading:
Sunday Puzzle-11
Sunday Puzzle-10

Sunday Puzzle-9
Sunday Puzzle-8
Sunday Puzzle-7
Sunday Puzzle-6
Sunday Puzzle-5
Sunday Puzzle-4
Sunday Puzzle-3
Sunday Puzzle-2
Sunday Puzzle

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Comments (8)
1. Written by This e-mail address is being protected from spam bots, you need JavaScript enabled to view it on 17:20 19 2012 .
 
 
Trying to get one
481!! 
81--> square of whole number 
41--> prime number and 
 
(84 -48)=3(4+8)
 
2. Written by This e-mail address is being protected from spam bots, you need JavaScript enabled to view it on 18:31 19 2012 .
 
 
Solution
The number is 849. 
Droopy has 8, Dimwit has 4 and Dibdib has 9.
 
3. Written by This e-mail address is being protected from spam bots, you need JavaScript enabled to view it on 20:00 19 2012 .
 
 
Number
3 of course. :)
 
4. Written by This e-mail address is being protected from spam bots, you need JavaScript enabled to view it on 02:13 20 2012 .
 
 
Number
849 yep yep
 
5. Written by This e-mail address is being protected from spam bots, you need JavaScript enabled to view it on 15:36 24 2012 .
 
 
Back to Class
27.  
3x9=27 
The nos. pinned to each two were 6 and 3. 63-36=27 
 
I may have misunderstood the problem. 
 
Lynn :p
 
6. Written by This e-mail address is being protected from spam bots, you need JavaScript enabled to view it on 15:36 24 2012 .
 
 
Back to Class
27.  
3x9=27 
The nos. pinned to each two were 6 and 3. 63-36=27 
 
I may have misunderstood the problem. 
 
Lynn :p
 
7. Written by This e-mail address is being protected from spam bots, you need JavaScript enabled to view it on 16:10 24 2012 .
 
 
Back to Class
Aside from nos. 6 and 3, 2 would work. Somehow, as with the 849 answer, 632 seems to result in 3x9=27.
 
8. Written by This e-mail address is being protected from spam bots, you need JavaScript enabled to view it on 13:34 15 2012 .
 
 
Mr
849
 

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