Alligation or Mixture problems
A shopkeeper has 50 kgs of rice. He sells a part of it at 20% profit and the rest at 40% profit. If he gains 25% on the whole, find the quantity of each part.

37.5 kgs and 12.5 kgs
21.5 kgs and 23.5 kgs
23.5 kgs and 21.5 kgs
12.5 kgs and 37.5 kgs

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Alligation or Mixture problems
Two bottles contains mixture of milk and water. First bottle contains 64% milk and second bottle contains 26% water. In what ratio these two mixtures are mixed so that new mixture contains 68% milk?

3 : 2
1 : 2
2 : 3
2 : 1

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Alligation or Mixture problems
A shopkeeper buys 26 liter of milk @ Rs. 16 per liter. He also buys from another source an inferior quality of milk @ Rs. 10 per liter. How much quantity of the later should he buy to mix it with the former so that he can sell the mixture @ Rs. 14 per liter without making any loss?

12 liter
16 liter
13 liter
14 liter

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Alligation or Mixture problems
A man pays Rs. 6.40 per litre of milk. He adds water and sells the mixture at Rs. 8 per litre, thereby making 37.5% profit. The proportion of water to milk received by the customers is

10 : 1
1 : 10
9 : 11
11 : 9

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