Related Questions

Two different schools, A and B, have the same number of students. The ratio of the boys in school A and the boys in school B is 2:1 and the ratio of the girls in school A and the girls in school B is 4:5. What is the ratio of the boys in school A to the girls in school A?
A brother and sister leave home for school. The brother goes 0.5 km East, then turns right and goes 3.5 km and reaches his school. The sister goes 2.5 km North, then 1 km West, then turns left and goes 6 km and reaches her school. Where is the brother's school with respect to the sister's school?
We must do something about the rising costs of out prisons. It now costs an average of $225 per days to maintain a prison in a double-occupancy cell in a prison. Yet, in teh must expensive cities in the world, one can find rooms in the argument about might be criticized in all of the following ways except:
Half the graduating class of a college was accepted by a business school. One-third of the class was accepted by a law school. It one-fifth of the class was accepted by both types of school, what fraction of the class was accepted only by a law school?
There are 5 doors to a lecture room. In how many ways can a student enter the room through a door and leave the room by a different door?
The boy who is begging form door to door is an orphan. (Make it simple)
The boy who is begging from door to door is an orphan.
The boy who is begging from door to door is an orphan. (Make it simple)
The vertical faces of a door opening which support frame of the door, are
There are 3 doors to a lecture room. In how many ways can a lecturer enter the room from one door and leave from another door ?