A magazine charges Rs 300 per 10sqcm area for advertising. A company decided to order a half page advertisment. If each page of the magazine is `15cm xx 24cm.` what amount will the company has to pay for it?

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.

Mr.Arora borrowed Rs 40960 from a bank to start a play school.If the bank charges 12.5% per annum compounded half-yearly,what amount will he have to pay after 1.5 years?

The triangular side walls of a flyover have been used for advertisements. The sides of the walls are 13 m a 14 m and 15 m. The advertisement yield an earning of Rs. 2000 per m^(2) a year. A company hired one of its walls for 6 months. How much rent did it pay ?

A man borrows money from a finance company and has to pay it back in two equal half-yearly instalments of Rs. 7,396 each. If the interest is charged by the finance company at the rate of 15% per annum, compounded semi-annually, find the principal and the total interest paid.

To provide employment to the youth and to develop Baramula district of Jammu and Kashmir, Jyoti Power Ltd. decided to set up a power plant. For raising funds the company decided to issue 8,50,000 equity shares of Rs. 10 each at a premium of Rs. 3 per share. The whole amount was payable on application. Application for 20,00,000 shares were received. Applications for 3,00,000 shares were rejected and shares were allotted to the remaining applicants on pro rata basis. Pass necessary Journal entries for the above transactions in the books of the company .