MHT CET2018MathematicsMathematical Reasoning
The contrapositive of the statement: "If the weather is fine then my friends will come and we go for a picnic." is
Options
- AThe weather is fine but my friends will not come or we do not go for a picnic.
- BIf my friends do not come or we do not go for picnic then weather will not be fine.
- CIf the weather is not fine then my friends will not come or we do not go for a picnic.
- DThe weather is not fine but my friends will come and we go for a picnic.
Correct answer
B. If my friends do not come or we do not go for picnic then weather will not be fine.
Step-by-step solution
p → ( q ∧ r ) Contrapositive ( ∽ ( q ∧ r ) ) → ∽ p ∴ ( ∽ q ∨ ∽ r ) → ∽ p If my friends do not come or we do not go for picnic then weather will not be fine.