In a certian city there are 5 college and 20 school. each school has 3 peons 1 clerk and 1 head clerk whereas a college has 5 peons 3 clerk 1 head clerk and an additional staff as a caretaker. the monthly salary of each of them is as follows: peon nu 1100 clerk nu 1700 head clerk nu 3000 and caretaker nu 2500.using matrix method find the total number of post of each kind in school and college taken together.​

The volume of the sun is approximately 1 × 10^18 cu km, while the volume of jupiter is approximately 1 × 10^15 cu km. which of the following is true? a. the volume of jupiter is approximately one thousand times the volume of the sun. b. the volume of jupiter is approximately one hundred times the volume of the sun. c. the volume of the sun is approximately one thousand times the volume of jupiter. d. the volume of the sun is approximately one hundred times the volume of jupiter.