Question
A man purchases some pens at a rate of 4 for ₹14 and
an equal number at a rate of 5 for ₹18. He sells all the pens at a rate of 6 for ₹20. What is his overall percentage gain or loss?Solution
Let he buys total number of pens (LCM of 4, 5, 6) = 60 (30-30 of both type) Costing of 30 pens at 4 for Rs 1 4 = Rs 105 Costing of 30 pens at 5 for Rs 18 = Rs 108 Total cost price of 60 pens = 105+108 = Rs 213 Selling price of 60 pens at 6 for Rs 20 = 200 
A merchant has 20 liters of alcohol. To achieve a 75% profit by selling the mixture at the original cost price of the alcohol, how much water should he ...
A trader mixes three types of fruit juices. Juice A costs $10 per liter, Juice B costs $15 per liter, and Juice C costs $20 per liter. The mixture is so...
A container holds a 512 ml mixture of milk and water in a 9:7 ratio. If 'x' ml of water and (x + 36) ml of milk are added, the new ratio of milk to wate...
Two types of pulses, priced at ₹80 per kg and ₹90 per kg, are mixed in a ratio such that the resulting mixture is sold at ₹107.5 per kg with a 25%...
- A jar contains milk and water in the ratio 6:5. After 22 litres of water is added, the new ratio becomes 6:7. Calculate the final amount of the mixture.
In a mixture of juice & water, 75 litres water is mixed due to which ratio changes from 3:4 to 1:2. Find initial quantity of mixture. (in lit...
A container holds 1280 litres of a milk and water mixture in the ratio of 9:7. Then, 320 litres of this mixture is removed and replaced with an equal a...
A vessel is completely filled with milk. If 35% of the milk is replaced with water then only 184.6 ml of milk will be left in the vessel. What is the to...
The relationship between the quantity of refined oil and mustard oil in Mixtures 'P,' 'Q,' and 'R' is described as 7:3, 1:1, and 3:2, respectively. If t...
‘x’ litres of mixture ‘A’ contains milk and water, only in the ratio of 6:5, respectively. 90 litres of mixture ‘B’ contains 25% more water ...
Relevant for Exams:
