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Question 1
What is the average of first 17 odd natural numbers?
Question 2
A person buys spirit at Rs.60/liter and added some water to it and then sells it at Rs.75 per liter, what is the ratio of spirit to water if his profit in this deal is 37.5 %?
Question 3
Two mixtures A and B are taken which contains water and alcohol in the ratio 7: 5 and 3: 2 respectively. Total quantity of mixture B is 5 litre.Some mixture of A is taken out and mixed with B such that now the ratio of water and alcohol in B becomes 17:12. If 10 litres of A is remaining now, then find initially what quantity of mixture A was taken.
Question 4
Two container contain water and milk in the ratio 5 : 2 and 11 : 10. In what ratio should these two solutions be taken and mixed to get water and milk in the ratio 5 : 4.
Question 5
How many kilograms of sugar costing Rs. 9 per kg must be mixed with 27 kg of sugar costing Rs. 7 per Kg so that there may be a gain of 10 % by selling the mixture at Rs. 9.24 per Kg?
Question 6
49 Kg of blended tea contain Assam and Darjeeling tea in the ratio 5 : 2. Then the quantity of Darjeeling tea is to be added to the mixture to make the ratio of Assam to Darjeeling tea 2 : 1 is
Question 7
How many litres of water should be added to a 20-litre mixture of water and milk in the ratio of 3: 7 such that the resultant mixture has 40% water in it?
Question 8
In a mixture of 70 ltrs respective ratio of milk and water is 4:3, How much water should be added in mixture to make the ratio 2:3?
Question 9
Two equal vessels are filled with the mixtures of water and milk in the ratio of 3:4 and 5:3 respectively. If the mixtures are poured into a third vessel, the ratio of water and milk in the third vessel will be
Question 10
Acid and water are mixed in a vessel A in the ratio of 5:2 and in the vessel B in the ratio 8:5. In what proportion should quantities be taken out from the two vessels so as to form a mixture in which the acid and water will be in the ratio of 9:4?
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Aug 24SSC & Railway
