A vessel is full of a mixture of kerosene and petrol in which there is 20% kerosene. 5 litres are drawn off and then the vessel is filled with petrol. If the kerosene is now 15%, how much does the vessel hold?
1). 30 litres
2). 35 litres
3). 26 litres
4). 32 litres
There are two alloys of copper and aluminium, alloy A has 40% aluminium and alloy B has 10% copper. In what ratio should these alloys be mixed so that the cost of total copper becomes equal to the cost of total aluminium in the mixture? (The cost price of aluminium is Rs. 200 per kg and cost price of copper is Rs. 500 per kg)
1). 11 ∶ 24
2). 13 ∶ 22
3). 21 ∶ 11
4). 16 ∶ 19
A bowl contains 5 litres of milk. Rajesh removes 20% of the milk and adds 2 litres of water. Mahesh removes 40% of this solution and adds 4 litres of soya sauce. Finally, Ramesh removes 30% of this solution. Find the ratio of milk, soya sauce and water in the bucket now.
Pure milk costs Rs. 40 per litre. A milkman adds water to 35 litres of pure milk and sells the mixture at Rs. 35 per litre. How many litres of water does he add?
1). 2 litres
2). 5 litres
3). 7 litres
4). 11 litres
A vessel contains a mixture of P and Q in the ratio of 5 : 3. 16 liters of this mixture is taken out and 5 liters of P is poured in. The new mixture has ratio of P to Q as 11 : 6. Find the total original quantity of mixture.
1). 80 liters
2). 96 liters
3). 98 liters
4). 84 liters