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Manipal MET2013MathematicsLinear Programming

a, b, c are prime numbers, x is an even number, y is an odd number. Which of the following is/are never true? I. a+x=b II. b+y=c III. a b=c IV. a+b=c

Options

  1. AI and III
  2. BII and III
  3. COnly IIII
  4. DIII and IV

Correct answer

C. Only IIII

Step-by-step solution

Since, c is a prime number so it can have only two factors 1 and c. a b=c gives two more factors of c as a and b , which is not possible.

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