Question 3
EasyOriginal questionA sweet shop mixes 3 kg of sugar at ₹38 per kg with 5 kg of sugar at ₹46 per kg. What is the price of the mixture per kg?
Show the answer and explanation
CorrectNot quiteAnswer C
Correct answer: C
Explanation
Total cost = rupees.
Price per kg = rupees.
Worth noting
₹42 is the simple average of 38 and 46; it would be right only for equal quantities. ₹41 comes from swapping the quantities.
- Concept
- Weighted mean price of two quantities
- Typical timeTypical
- 40 s
- Your timeYours
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