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MHT CET · Maths · Mathematical Reasoning

The negation of the statement "The payment will be made if and only if the work is finished in time" is

  1. A The work is finished in time and the payment is not made
  2. B Either the work finished in time and the payment is not made or the payment is made and the work is not finished in time
  3. C The payment is made and the work is not finished in time
  4. D The work is finished in time and the payment is not made or the payment is made and the work is finished in time
Verified Solution

Answer & Solution

Correct Answer

(B) Either the work finished in time and the payment is not made or the payment is made and the work is not finished in time

Step-by-step Solution

Detailed explanation

We know
\(\sim(p \leftrightarrow q) \equiv(p \wedge \sim q) \vee(\sim p \wedge q)\)
Hence option (B) is correct