A zookeeper counted the heads of the animals in a zoo and found it to be 80. When he counted the legs of the animals he found it to be 260. If the zoo had either pigeons or horses, how many horses were there in the zoo?
A zookeeper counted the heads of the animals in a zoo and found it to be 80. When he counted the legs of the animals he found it to be 260. If the zoo had either pigeons or horses, how many horses were there in the zoo?
In an examination out of 1000 students 70% boys and 80% girls are passed. If total pass percentage was 76%, find the number of girls.
In an examination out of 1000 students 70% boys and 80% girls are passed. If total pass percentage was 76%, find the number of girls.
The average marks of 10 students of a class is 72 and the average marks of another 12 students of the same class is 75, find the overall average of the class.
The average marks of 10 students of a class is 72 and the average marks of another 12 students of the same class is 75, find the overall average of the class.
Two liquids A and B are mixed together in the ratio 2 : 3. The average cost of liquid B is Rs 35 per liter and the average cost of the mixture is Rs. 30 per liter, then find the average cost of liquid A per liter.
Two liquids A and B are mixed together in the ratio 2 : 3. The average cost of liquid B is Rs 35 per liter and the average cost of the mixture is Rs. 30 per liter, then find the average cost of liquid A per liter.
A manufacturer mixes two kinds of tea costing Rs 35 and Rs 40 a Kg in the ratio of 8:7. What is his profit or loss percent if he sells the mixture @ Rs 37.50 a Kg?
A manufacturer mixes two kinds of tea costing Rs 35 and Rs 40 a Kg in the ratio of 8:7. What is his profit or loss percent if he sells the mixture @ Rs 37.50 a Kg?
A wholesaler mixes two kinds of rice costing Rs 35 and Rs 55 a Kg . In what proportion must he mix the rice so that the mixture costs him Rs Rs 42 a Kg?
A wholesaler mixes two kinds of rice costing Rs 35 and Rs 55 a Kg . In what proportion must he mix the rice so that the mixture costs him Rs Rs 42 a Kg?
How many liters of water should be added to a 30 liter mixture of milk and water containing milk and water in the ratio 7:3 such that the resultant mixture has 40 % water in it.
How many liters of water should be added to a 30 liter mixture of milk and water containing milk and water in the ratio 7:3 such that the resultant mixture has 40 % water in it.
Petrol & Kerosene are mixed in the ratio of 15:18. Total Volume of the mixture is 100 litres. Find the composition of Petrol in the overall mixture?
Petrol & Kerosene are mixed in the ratio of 15:18. Total Volume of the mixture is 100 litres. Find the composition of Petrol in the overall mixture?
In what ratio must water be mixed with milk worth Rs. 12 per litre so as to produce a mixture worth Rs. 10 per litre?
In what ratio must water be mixed with milk worth Rs. 12 per litre so as to produce a mixture worth Rs. 10 per litre?
48 liters of a mixture has 75% alcohol. How much water must be added to it to get 60% alcohol concentration ? (in liters)
48 liters of a mixture has 75% alcohol. How much water must be added to it to get 60% alcohol concentration ? (in liters)
If Rs. 85 is divided among 100 students such that each boy got a rupee and each girl got 50 P, find the number of girls.
If Rs. 85 is divided among 100 students such that each boy got a rupee and each girl got 50 P, find the number of girls.
Find the ratio in which quantity of coffee of first kind of worth Rs 60.5 per kg mix to the second kind of coffee of worth Rs 35.5 per kg so that the resulting mixture is of worth Rs 40.5 per Kg
Find the ratio in which quantity of coffee of first kind of worth Rs 60.5 per kg mix to the second kind of coffee of worth Rs 35.5 per kg so that the resulting mixture is of worth Rs 40.5 per Kg
Two liquids A and B are mixed together in the ratio 2 : 3. The average cost of liquid B is Rs 30 per liter and the average cost of the mixture is Rs. 25 per liter, then find the average cost of liquid A per liter.
Two liquids A and B are mixed together in the ratio 2 : 3. The average cost of liquid B is Rs 30 per liter and the average cost of the mixture is Rs. 25 per liter, then find the average cost of liquid A per liter.
How many liters of water should be added to a 30 liter mixture of milk and water containing milk and water in the ratio 7:3 such that the resultant mixture has 40 % water in it.
How many liters of water should be added to a 30 liter mixture of milk and water containing milk and water in the ratio 7:3 such that the resultant mixture has 40 % water in it.
In what ratio must milk be mixed with water worth Rs. 40 per gallon so as to produce a mixture worth Rs. 30 per gallon?
In what ratio must milk be mixed with water worth Rs. 40 per gallon so as to produce a mixture worth Rs. 30 per gallon?
How many liters of a 12 litre mixture containing milk and water in the ratio of 2 : 3 be replaced with pure milk so that the resultant mixture contains milk and water in equal proportion?
How many liters of a 12 litre mixture containing milk and water in the ratio of 2 : 3 be replaced with pure milk so that the resultant mixture contains milk and water in equal proportion?
A 20 liters mixture of milk and water comprising 60% pure milk is mixed with "x" liters of pure milk. The new mixture comprises 80% milk. What is the value of "x"?
A 20 liters mixture of milk and water comprising 60% pure milk is mixed with "x" liters of pure milk. The new mixture comprises 80% milk. What is the value of "x"?
A shopkeeper mix mustard oil worth Rs. 90 per kg with mustard worth Rs. 60 per kg, so that the mixture costs him Rs. 75 a kg. Find the proportional ratio?
A shopkeeper mix mustard oil worth Rs. 90 per kg with mustard worth Rs. 60 per kg, so that the mixture costs him Rs. 75 a kg. Find the proportional ratio?
20 liters of mixture has 70% milk. How much milk should be added to the mixture to make it 90% pure?
20 liters of mixture has 70% milk. How much milk should be added to the mixture to make it 90% pure?
A grocer wants to know the mixing ratio so that on mixing a sugar at Rs 32 a kg and Rs 48 a kg, he makes a mixture worth Rs 40 a kg.
A grocer wants to know the mixing ratio so that on mixing a sugar at Rs 32 a kg and Rs 48 a kg, he makes a mixture worth Rs 40 a kg.