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- List the given numbers and units.
- Choose the formula that matches the asked value.
- Simplify carefully and compare with options.
Correct Answer: B
Correct Answer: B
Method / Topic: Compound Interest
The answer follows from the arithmetic relation between the given values.
Short Explanation
Detailed Explanation
Correct Answer: B
Method / Topic: Compound Interest
Use the compound amount relation P=A/(1+r)². Substituting Rs. 8820 and r=0.05 gives principal Rs. 8000.
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Learn + Solve: Shortcut, Trap & Fast Route Click to view shortcut, steps, and common mistake
Shortcut used, common trap, and the fastest solving route
- List the given numbers and units.
- Choose the formula that matches the asked value.
- Simplify carefully and compare with options.
A sum amounts to Rs. 8820 in 2 years at 5% per annum, compounded annually. Find the principal.
Explanation
Correct Answer: B
Method / Topic: Compound Interest
The answer follows from the arithmetic relation between the given values.
Short Explanation
Detailed Explanation
Correct Answer: B
Method / Topic: Compound Interest
Use the compound amount relation P=A/(1+r)². Substituting Rs. 8820 and r=0.05 gives principal Rs. 8000.
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