Rule of thumb" means ---
ক) a rule based on science.
খ) a bad rule
গ) a rule that must be obeyed
ঘ) a rule based on past experience rather than on theory
Related Questions
ক) comma
খ) semicolon
গ) colon
ঘ) exclamation
ক) Conjunction
খ) Adjective
গ) Interjection
ঘ) Preposition
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