Select the alternative that best describes the meaning of the idiom. **Rule of thumb**
Options:
- A: A method of calculating interest in banking
- B: A legal standard that must be strictly followed
- C: A general principle or guideline that is practical and commonly accepted
- D: A specific measurement used in carpentry
Related Practice Questions:
- A sum of ₹4000 is invested at compound interest for 2 years at a rate of 10% per annum. What will be the total amount at the end of 2 years?
- At what rate of simple interest per annum will a sum of money double itself in 8 years?
- The difference between the compound interest and simple interest on a certain sum of money for 2 years at 5% per annum is ₹25. Find the sum.
- The study of living organism :
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