Alligation or Mixture

Arithmetic Aptitude

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Qn #2029
An airline has a certain free luggage allowance and charges for excess luggage at a fixed rate per kg.
Raja and Rahim have 60 kg luggage between them and are charged Rs. 1200 and Rs. 2400 respectively.
If the entire luggage belonged to one person, the charge would be Rs. 5400.
What is the weight of Rahim’s luggage?

Qn #1993
Gold is 19 times as heavy as water and copper is 9 times as heavy as water. In what ratio should these be mixed to get an alloy 15 times as heavy as water?
Qn #1148
Two liquids A and B are in the ratio 5:1 in container 1 and in the ratio 1:3 in container 2. In what ratio should the contents of the two containers be mixed so as to obtain a mixture of A and B in the ratio 1:1?
Qn #705
A 30 litres mixture of milk and water contains 10% water. How much milk should be added so that the percentage of water in the mixture comes down to 2%?
Qn #687
A vessel contains total 95 litre mixture of milk & water in the ratio of 15 : 4 respectively. P litre of mixture taken out from the vessel and 18 litres water added in the remaining mixture, then the new ratio of milk to water becomes 3 : 2, find the value of P?
Qn #369
A milk vendor mixes milk from two cans to get 35 litres with water to milk ratio 2:3. How much milk is taken from each can?
Qn #247
Three different containers contain 496 litres, 403 litres and 713 litres of mixtures of milk and water respectively, What biggest measure can measure all the different quantities exactly?
Qn #19
A trader mixes 26kg of rice at Rs. 20 per kg with 30 kg of rice of other variety at Rs. 36 per kg and sells the mixture at Rs. 30 per kg. His profit percent is ?
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