Q59 / 100 · BITSAT 2024 (Memory Based Paper 1) · Mathematics

If p : It raining today, $\mathrm{q}:$ I go to school, r : I shall meet any friends and s : I shall go for a movie, then which of the following is the proposition : 'If it does not rain or if I do not go to school, then I shall meet my friend and go for a movie'?

  • Correct answer
    A
    $\sim(p \wedge q) \Rightarrow(r \wedge s)$
  • B
    $\sim(\mathrm{p} \wedge \sim \mathrm{q}) \Rightarrow(\mathrm{r} \wedge \mathrm{s})$
  • C
    $\sim(p \wedge q) \Rightarrow(r \vee s)$
  • D
    None of these

Solution

Correct result is $(\sim \mathrm{p} \vee \sim \mathrm{q}) \Rightarrow(\mathrm{r} \wedge \mathrm{s})$ So, $\sim(p \wedge q) \Rightarrow(r \wedge s)$

Hence, the correct answer is option: 'A'.

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