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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: Mixture and Alligation
The answer follows from the arithmetic relation between the given values.
Short Explanation
Detailed Explanation
Correct Answer: B
Method / Topic: Mixture and Alligation
<table cellspacing="0" style="border-collapse:collapse; width:85px">
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<td style="border-bottom:.7px solid #45b1e1; border-left:none; border-right:none; border-top:.7px solid #45b1e1; height:20px; vertical-align:top; white-space:normal; width:85px"><span style="color:black">In 60 litres, milk = 48 litres and water = 12 litres. Let x litres water be added. Then 48/(12 + x) = 2/1. So 12 + x = 24 and x = 12 litres.</span></td>
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<td style="border-bottom:.7px solid #45b1e1; border-left:none; border-right:none; border-top:.7px solid #45b1e1; height:20px; vertical-align:top; white-space:normal; width:85px"> </td>
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<td style="border-bottom:.7px solid #45b1e1; border-left:none; border-right:none; border-top:.7px solid #45b1e1; height:20px; vertical-align:top; white-space:normal; width:85px"> </td>
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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 60-litre mixture has milk and water in the ratio 4:1. How much water should be added to make the ratio 2:1?
Explanation
Correct Answer: B
Method / Topic: Mixture and Alligation
The answer follows from the arithmetic relation between the given values.
Short Explanation
Detailed Explanation
Correct Answer: B
Method / Topic: Mixture and Alligation
<table cellspacing="0" style="border-collapse:collapse; width:85px">
<tbody>
<tr>
<td style="border-bottom:.7px solid #45b1e1; border-left:none; border-right:none; border-top:.7px solid #45b1e1; height:20px; vertical-align:top; white-space:normal; width:85px"><span style="color:black">In 60 litres, milk = 48 litres and water = 12 litres. Let x litres water be added. Then 48/(12 + x) = 2/1. So 12 + x = 24 and x = 12 litres.</span></td>
</tr>
<tr>
<td style="border-bottom:.7px solid #45b1e1; border-left:none; border-right:none; border-top:.7px solid #45b1e1; height:20px; vertical-align:top; white-space:normal; width:85px"> </td>
</tr>
<tr>
<td style="border-bottom:.7px solid #45b1e1; border-left:none; border-right:none; border-top:.7px solid #45b1e1; height:20px; vertical-align:top; white-space:normal; width:85px"> </td>
</tr>
</tbody>
</table>
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