:A computer manufacturing company has conducted survey among 5000 students of the cities mumbai and chennai to find out how manyamong them own desktop computer and how many own laptop computer .Apart from the fact that each one of these students o…
:A computer manufacturing company has conducted survey among 5000 students of the cities mumbai and chennai to find out how manyamong them own desktop computer and how many own laptop computer .Apart from the fact that each one of these students own at least one of these two types of computer ,the following information is also known 1)Among the 5000 students ,2000 students belongs to Mumbai and out of these 2000,30% own both types of computers. 2)1200 students belongs to Mumbai own desktop computers 3) Among the students who own desktop computers and also belong to Chennai ,25% own laptop computer also. 4)2800 students among the surveyed group own desktop computers .
a) how many students among those belonging to Chennai own laptop computers?
b) how many students own the laptop computer?
c)how many students own laptop as well as desktop computers
d)what is the difference between the number of Chennai student who own laptop computers and the number if Mumbai students who own laptop computers
answers:
a) 1400
b) 2200
c) 1000
d) 600