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?

An aeroplane can carry a maximum of two passengers. A profit of Rs. 1000 is made on each executive clas 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 clas than by the executive class. Determine how many tickets of each type must be sold in order to maximise the profit for the airline. What is the maximum profit?

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 second class ticket. The airline reserves at least 20 seats for first class. However, at least four times as many passengers prefer to travel by second class then by first class. Determine how many tickets of each type must be sold to maximise profit for the airline. Form an LPP and solve it graphically.

The main reserve food material of class Chlorophyceae is :

First class lever and Second class lever

How are polymers classified according to their structure? Give important features of each class. Also give two examples of each class.

IUB has divied enzymes into how many classes?

If the profit made on a packet of tea is Rs 4 and the cost price of the packet is Rs 20, then how much is the profit percentage?

List two major classes of antibiotics with an example of each class.

A cylinder manufacturer makes small and large cylinders from a large piece of cardboard. The large cylinder requires 4 sq. m and small cylinder requires 3 sq. m of cardboard. The manufacturer is required to make at least 3 large cylinder and at least twice as many small cylinder as large cylinders. If 60 sq. m of cardboard is in the stock and profit on the small and large cylinders are Rs. 25 and Rs 35 respectively. How many of each type of cylinders to made to maximize the profit. Also, find the maximum profit.

Class-one lever and class-three lever