In a certain city there are 50 colleges and 400 schools. Each school and collages has 18 peon, 5 clerk and 1 cashier. Each collages in addition has one office superintended and one librarian. The monthly salary each of them is as follow Peon Rs 2,000, clerk Rs 3,000, cashier Rs 3,500, office superintended Rs 4,000 and librarian Rs 4,000 .Find the total number of posts of each kind in schools and collages taken together.​

In a certain city there are 30 colleges.Each college has 15 peons,6 clerks,1 typist and 1 section officer.Express the given information as a column matrix.Using scalar multiplication,find the total number of posts of each kind in all the colleges.

In a certain city there are 30 colleges.Each college has 15 peons,6 clerks,1 typist and 1 section officer.Express the given information as a column matrix.Using scalar multiplication,find the total number of posts of each kind in all the colleges.

A finance company has offices located in ewery division, every didtrict and every taluka in a certain state in India. Assume that there are five divisions, thirty districts and 200 talukas in the state. Each office has one head clerk, one cashier, one clerk and one peon. A divisional office has, in addition, one office superntendent, two clerks, one typist and one poen. A district office, has in addition, one clerk and one peon. The basic monthly salaries are as follows : Office superintendernt Rs 500, Head clerk Rs 200, cashier Rs 175, clerks and typist Rs 150 and peon Rs 100. Using matrix motation find the total basic monthly salary bill of each kind of office

A small company pays each of its 5 category 'C' workers Rs. 20,000, each of its 3 category 'B' workers Rs. 25,000 and a category 'A' worker Rs. 65,000. The number of workers earning less than the mean salary is

A lady went to a bank with Rs. 1,00,000. She asked the cashier to give her Rs. 500 and Rs. 1,000 currency notes in return. She got 175 currency notes in all. Find the number of each kind of currency notes.

A, B and C start a business each investing Rs. 20,000. After 5 months A withdraws Rs. 5000, B withdraws Rs. 4000 and C invests Rs. 6000 more. At the end of the year, a total profit of Rs. 69,900 was recorded. Find the share of each.

4 Note of Rs. 100 and 5 note in which first of Rs. 1, second of Rs. 2, Third of Rs. 5, fourth of Rs. 20 and fifth one of Rs. 50 distributed in 3 children such that each child receives at least one note of Rs. 100. Find the total number of ways of distribution

A person buys two watches for Rs. 1,000. He sells one at a loss of 5% and the other at 20% gain and on the whole he gains Rs. 50. Find the cost price of each watch.