if a,a+2,a+4 are prime numbers,then the numbers of possible soultions for a is:
(1)one (2)two (3)three (4)more than three

• ONLY ONE 3,5,7.........ALL THE ODD NUMBERS END WITH 5 ARE NOT PRIME.........SO _7,_9,_1 IS THE POSSIBLE PAIR ..BUT AT LEAST ONE OF THEM WILL BE DIVIDED BY 3
• 12 years agoHelpfull: Yes(2) No(0)
• There is only one way.
  ANS:- 3,5,7
  remaining any set of primes cannot have this order.
  
• 12 years agoHelpfull: Yes(1) No(0)
• two
  
  1 3 5 and
  3 5 7
• 11 years agoHelpfull: Yes(0) No(7)