Given the rule ‘If the password is correct, then the account opens’, which of the following is correct?

1. A Option A: 'The password is correct' is a sufficient condition for 'the account opens'.
2. B Option B: 'The account opens' is a sufficient condition for 'the password is correct'.
3. C Option C: 'The account does not open' is a sufficient condition for 'the password is correct'.
4. D Option D: 'The password is correct' is a necessary condition for 'the account opens'.

Answer checked 11 October 2026 · How we write and check questions