i don't understaond the transportation problem in example 11of ncert book.plz elaboratly solve it ??
Asked by sweety | 23rd Oct, 2015, 09:14: PM
Answered by Vimala Ramamurthy
| 24th Oct, 2015,
Answered by Vimala Ramamurthy | 24th Oct, 2015, 02:02: PM
- in ncert chapter 12 exercise 1 question no. 2 why we cant take points of x+2y=8 ... -24 should be the minimum value which comes from the point (8,0)..
- Two godowns A and B have grain capacity of 100 quintals and 50 quintals respectively. They supply to 3 ration shops D, E and F whose requirements are 60, 50 and 40 quintals respectively. The cost of transportation per quintals form the godowns to the shops are given in following table To/Form A B D E F 6 3 2.5 4 2 3 How would the supplies be transported in order that the transportation cost is minimum. What is the minimum cost?
- An oil company has two depots A and B with capacities 7000 and 4000 respectively. The company is to supply oil to three petrol pumps. D, E and F whose requirements are 4500 , 3000 and 3500 respectively. The distance (in km) between the depots and petrol pump is given as follows: To/From A B DEF 763 342 How would the supplies be transported in order that the transportation cost is minimum? What is the minimum cost?
- An aeroplane can carry a maximum of 200 passengers. A profit of Rs 400 is made on each first class ticket and a profit of Rs 300 is made on each economy class ticket. The airline reserves at least 20 seats for first class. However, at least 4 times as many passengers prefer to travel by economy class to by the first class. Determine how many each type of ticket must be sold in order to maximum the profit for the airline. What is maximum profit?
- A brick manufacturer has two depots, A and B, with stocks of 30,000 and 20.000 bricks respectively. He receives orders from three builders P, Q and R for 15,000, 20,000 and 15,000 bricks respectively. The cost in Rs of transporting 1000 bricks to the builders from the depots are given below : From To P Q R A 40 20 30 B 20 60 40 How should the manufacturer fulfil the orders so as to keep the cost of transportation minimum ? Formulate the above linear programming problem.
- An aeroplane can carry a maximum of 200 passengers. A profit of Rs. 1000 is made on each executive class ticket and a profit of Rs. 600 is made on each economy class ticket. The airline reserves at least 20 seats for executive class. However, at least 4 times as many passengers prefer to travel by economy class than by the executive class. Determine how many tickets of each type must be sold in order to maximize the profit for the airline. What is the maximum profit?
- There is a factory located at each of the two places P and Q. From these location, a certain commodity is delivered to each of these depots situated at A, B and C. The weekly requirements of the depots are respectively 5, 5 and 4 units of the commodity while the production capacity of the factories at P and Q are respectively 8 and 6 units. The cost of transportation per unit is given below : To From Cost (in Rs) A B C P 16 10 15 Q 10 12 10 How many units should be transported from each factory to each depot in order that the transportation cost in minimum. Formulate the above LPP mathematically and the solve it.
- A toy company manufactures two types of dolls A and B. Resources indicate that the combined production level should not exceed 1200 dolls per week and the demand for dolls of type B is atmost half of that for dolls of type A. Further the production level of dolls of type A can exceed three times the production of dolls of other type of atleast 600 units. If the company makes profit of Rs 12 and Rs 16 per doll respectively on dolls A and B. How many each should be produced weekly in order to maximize profit?
- A company manufactures two types of souveniers. Souvenier of type A requires 5 minutes each for cutting and 10 minutes each for assembling souvenier B requires 8 minutes each of cutting and 8 minutes each for assembling. There are 3 hours 20 minutes available for cutting and 4 hours for assembling. The profit is Rs 5 each for type A and Rs 6 each for type B souvenier. How many souvenier of each type should the company manufactures in order to maximize the profit.
- If a young man sides his motorcycles at 25 km/hr, he has to spend Rs 2 per kilometer on petrol. If he sides it a faster speed of 40 km/hr the petrol cost increases to Rs 5 per kilometer. He has Rs 100 to spend on petrol and wishes to find maximum distance he can travel within one hour. Express this as LPP and then solve.
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