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13 Jan 2020, 09:12
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C
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Difficulty:
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Question Stats:
94% (01:12) correct
6%
(01:51)
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based on 35
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Jim bought 5 kgs of rice costing Rs. 32 per kg and another 7 kgs of rice costing Rs. 50 per kg. What is the average cost price per kg of rice Jim bought?
A. 40.5
B. 41.5
C. 42.5
D. 43.5
E. 44.5
A. 40.5
B. 41.5
C. 42.5
D. 43.5
E. 44.5
13 Jan 2020, 15:27
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Average Price/kg = total monetary value / total number of kg
Total monetary value = (32 Rs/kg * 5 kg) + (50 Rs/kg * 7kg) = 160 Rs + 350 Rs = 510 Rs
Total number of kg = 5 + 7 = 12
Average Price/kg = 510/12 = 42.5 Rs/kg
Ans=C
Total monetary value = (32 Rs/kg * 5 kg) + (50 Rs/kg * 7kg) = 160 Rs + 350 Rs = 510 Rs
Total number of kg = 5 + 7 = 12
Average Price/kg = 510/12 = 42.5 Rs/kg
Ans=C
14 Jan 2020, 08:08
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Bunuel
Jim bought 5 kgs of rice costing Rs. 32 per kg and another 7 kgs of rice costing Rs. 50 per kg. What is the average cost price per kg of rice Jim bought?
A. 40.5
B. 41.5
C. 42.5
D. 43.5
E. 44.5
\(\frac{32*5 + 50*7}{5+7}\)A. 40.5
B. 41.5
C. 42.5
D. 43.5
E. 44.5
\(=\frac{160 + 350}{12}\)
\(=\frac{510}{12}\)
\(=42.50\), Answer must be (C)
