Question
Select the correct alternative from the given choices.If $a, b$ and $c$ are prime numbers satisfying $a=b-2=$ $c-4$. How many possible combinations exist for $a, b$ and $c$ ?(A) 4(B) 3(C) 2(D) 1
Step 1
This implies that $b=a+2$ and $c=a+4$. Show more…
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