Every week we feature a Brain Teaser or a thought-provoking question.
If you have one that you would like to share with fellow engineers, please email it to email@example.com.
This week’s brain teaser
Solve the following with the conditions given:
DA – BC = BD
a) All the numbers used A, B, C and D are prime
b) The answer BD is also a prime number
c) The numbers DA and BC are not prime
d) Also the number A < C
Find the numbers A, B, C and D