A telephone company in a town has 500 subscribers on its list and collects fixed charges of Rs 300 per subscriber. The company proposes to increase the annual subscription and it is believed that every increase of Rs 1 one subscriber will discontinue the service. Find what increase will bring maximum revenue?

A telephone company in a town has 500 subscribers on its list and collects fixed charges of Rs. 300/- per subscriber per year. The company proposes to increase the annual subscription and it is beloeved that for every increase of Rs. 1/- one subscriber will discontinue the service. Find what increase will bring maximum profit ?

A telephone company in a town has 500 subsribers on its list and collects fixed charges of Rs. 300/- per year form each subsriber. The company proposes to increase the annual charges and it is believed that for every increases of Rs. 1/0, one subsriber will discontinue service. Find what increase will bring maximum revenue?

A telephone company in the town has 5000 subscribers on its list and collects fixed rent charges of Rs. 3000 per year from each person. The company proposes to increase the annual rent and it is believed that for every increase of 1 rupee in the rent, one subscriber will be discontinued. Find what increased annual rental will bring the maximum annual income to the company.

A magazine seller has 500 subscribers and collects annual subscription charges of Rs.300 per subscriber. Sh e proposes to increase the annual subscription charges and it is believed that for every increase of Re 1, one subscriber will discontinue. What increase will bring maximum income to her? M solution. Write one important role of magazines in our lives. ake appropriate assumptions in order to apply derivatives to reach the

A telephone company in the town has 5000 rent charges of ₹ 3000 per year from each person. The company proposes to increase the annual rent and it is believed that for every increases of ₹ 1, in the rent, one subscriber will be discontinued. Find what increased annual rental will bring the maximum annual income to the company.

A private telephone company serving a small community makes a profit of Rs. 12.00 per subscriber, if it has 725 subscribers. It decides to reduce the rate by a fixed sum for each subscriber over 725, thereby reducing the profit by 1 paise per subscriber. Thus, there will be profit of Rs. 11.99 on each of the 726 subscribers, Rs. 11.98 on each of the 727 subscribers, etc. What is the number of subscribers which will give the company the maximum profit?

A private telephone company serving a small community makes a profit of Rs. 12.00 per subscriber, if it has 725 subscribers. It decides to reduce the rate by a fixed sum for each subscriber over 725, thereby reducing the profit by 1 paise per subscriber. Thus, there will be profit of Rs. 11.99 on each of the 726 subscribers, Rs. 11.98 on each of the 727 subscribers, etc. What is the number of subscribers which will give the company the maximum profit?

A private telephone company serving a small community makes a profit of Rs. 12.00 per subscriber, if it has 725 subscribers. It decides to reduce the rate by a fixed sum for each subscriber over 725, thereby reducing the profit by 1 paise per subscriber. Thus, there will be profit of Rs. 11.99 on each of the 726 subscribers, Rs. 11.98 on each of the 727 subscribers, etc. What is the number of subscribers which will give the company the maximum profit?