Mathematics
NULL
Medium
Question
How many litres of oil at Rs.40/L must be mixed with 240 litres at Rs.60/L to get a mixture at Rs.52/L?
A
120 liters
B
180 liters
C
110 liters
D
160 liters
✓ Official correct answer
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A
120 liters
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B
180 liters
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C
110 liters
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D
160 liters
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Explanation
Ratio first:second = (60−52):(52−40) = 2:3. First = (2/3)×240 = 160 litres.