XYZ mixes 64 kg of rice worth Rs.85 per kg with 36 kg of rice worth Rs.105 per kg. At what rate should he sell the mixture to gain 10%? (In Rs.)
Cost of first rice
= 64 × 85
= 5440
Cost of second rice
= 36 × 105
= 3780
Total cost
= 5440 + 3780
= 9220
Total quantity
= 64 + 36
= 100 kg
Cost per kg
= 9220 / 100
= 92.2
Selling price with 10% gain
= 92.2 × 1.10
= 101.42
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150 Mins English English10 Questions10 Marks10 Mins English English150 Questions150 Marks150 Mins EnglishA solution contains 30% of substance S and 70% of substance T by weight. If the solution has a total mass of 1200 grams, and 300 grams of substance S are added to it, what is the new percentage concentration of substance S in the solution?
XYZ mixes 64 kg of rice worth Rs.85 per kg with 36 kg of rice worth Rs.105 per kg. At what rate should he sell the mixture to gain 10%? (In Rs.)
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