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- Identify the base.
- Convert percent to fraction/decimal.
- Calculate and match options.
Correct Answer: B
Correct Answer: B
Method / Topic: Percentage
The answer uses the correct base for the percentage calculation.
Short Explanation
Detailed Explanation
Correct Answer: B
Method / Topic: Percentage
<table cellspacing="0" style="border-collapse:collapse; width:85px">
<tbody>
<tr>
<td style="border-bottom:none; border-left:none; border-right:none; border-top:none; height:20px; vertical-align:bottom; white-space:normal; width:85px">First find the increase: 920−800 = 120. Percentage increase is calculated on the original value, so percentage increase = 120/800 × 100 = 15%. Think of Rs. 800 as the base price and Rs. 120 as the extra amount added.</td>
</tr>
</tbody>
</table>
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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
- Identify the base.
- Convert percent to fraction/decimal.
- Calculate and match options.
The price of an item increases from Rs. 800 to Rs. 920. What is the percentage increase?
Explanation
Correct Answer: B
Method / Topic: Percentage
The answer uses the correct base for the percentage calculation.
Short Explanation
Detailed Explanation
Correct Answer: B
Method / Topic: Percentage
<table cellspacing="0" style="border-collapse:collapse; width:85px">
<tbody>
<tr>
<td style="border-bottom:none; border-left:none; border-right:none; border-top:none; height:20px; vertical-align:bottom; white-space:normal; width:85px">First find the increase: 920−800 = 120. Percentage increase is calculated on the original value, so percentage increase = 120/800 × 100 = 15%. Think of Rs. 800 as the base price and Rs. 120 as the extra amount added.</td>
</tr>
</tbody>
</table>
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