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Sunday Puzzle-3

User Rating: / 0
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Written by Administrator   
Sunday, 09 October 2011
Image
Puzzle courtesy of Barry R. Clarke, columnist for The Daily Telegraph and
international puzzle expert.

Image

Four different digits 19 are required to open a safe. The first and third numbers total ten; the second number is no more than four; the third number is a prime number; the fourth number is three less than the first; and the second number is one less than the fourth.

Can you find the four-digit safe combination?

Related reading:
Sunday Puzzle-2
Sunday Puzzle

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Comments (6)
1. Written by on 19:39 09 2011 .
 
 
a=8 b=4 c=2 d=5
 
2. Written by This e-mail address is being protected from spam bots, you need JavaScript enabled to view it on 10:12 10 2011 .
 
 
7334 5152 8425
 
3. Written by This e-mail address is being protected from spam bots, you need JavaScript enabled to view it on 10:27 10 2011 .
 
 
4 ? 10 5+5?
 
4. Written by This e-mail address is being protected from spam bots, you need JavaScript enabled to view it on 07:14 16 2011 .
 
 
5152
 
5. Written by Peter on 12:13 16 2011 .
 
 
Different numbers, guys!
 
6. Written by This e-mail address is being protected from spam bots, you need JavaScript enabled to view it on 23:57 16 2011 .
 
 
From the equations you get that 
 
b+c=6 
a+c=10 
 
so c can't be 3 or 5 because then b=c or a=c 
 
c can't be 7 or greater than five because then b would be negative 
 
so c has to be 2
 

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