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- Identify the given values: principal, rate, time, interest, or amount.
- Apply the correct simple interest formula.
- Match the obtained answer with the options.
Correct Answer: A
Correct Answer: A
Method / Topic: Simple Interest
The answer follows the simple interest relation among principal, rate, time, interest, and amount.
Short Explanation
Detailed Explanation
Correct Answer: A
Method / Topic: Simple Interest
<table cellspacing="0" style="border-collapse:collapse; height:20px; width:85px">
<tbody>
<tr>
<td style="background-color:#c0e6f5; border-bottom:1px solid #44b3e1; border-left:none; border-right:none; border-top:1px solid #44b3e1; height:20px; vertical-align:top; white-space:normal; width:85px"><span style="color:#000000">Simple interest=principal×rate×time/100=9,000×7×4/100. Seven percent of 9,000 is 630 per year, and for four years the interest is 630×4=2,520. The calculation is checked against the conditions in the
. A useful final check is to substitute the
s involving signs, denominators, amount versus interest, and distance versus speed.</span></td>
</tr>
</tbody>
</table>
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More Questions
Learn + Solve: Shortcut, Trap & Fast Route Click to view shortcut, steps, and common mistake
Shortcut used, common trap, and the fastest solving route
- Identify the given values: principal, rate, time, interest, or amount.
- Apply the correct simple interest formula.
- Match the obtained answer with the options.
Find the simple interest on Rs. 9,000 at 7% per annum for 4 years.
Explanation
Correct Answer: A
Method / Topic: Simple Interest
The answer follows the simple interest relation among principal, rate, time, interest, and amount.
Short Explanation
Detailed Explanation
Correct Answer: A
Method / Topic: Simple Interest
<table cellspacing="0" style="border-collapse:collapse; height:20px; width:85px">
<tbody>
<tr>
<td style="background-color:#c0e6f5; border-bottom:1px solid #44b3e1; border-left:none; border-right:none; border-top:1px solid #44b3e1; height:20px; vertical-align:top; white-space:normal; width:85px"><span style="color:#000000">Simple interest=principal×rate×time/100=9,000×7×4/100. Seven percent of 9,000 is 630 per year, and for four years the interest is 630×4=2,520. The calculation is checked against the conditions in the
. A useful final check is to substitute the
s involving signs, denominators, amount versus interest, and distance versus speed.</span></td>
</tr>
</tbody>
</table>
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Use the free answer check first, then unlock the complete breakdown, shortcut path, and richer explanations for similar questions.
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