A survey of ^@ 700 ^@ students of a school was conducted and it was found that ^@301^@ students like coffee while ^@399^@ dislike it. Out of these students, one student is selected at random.
What is the probability that the selected student does not like coffee?
There are 338 boys and 312 girls students in a school. Principal wants to divide them in section such that a section can have only boys or only girls. If all sections should have same number of students, and principal wants to have as fewer section as possible find the number of sections in the school.
Pump A can fill a tank in 24 minutes, while pump B can fill the same tank in 12 minutes. Both pumps are turned on together to fill the empty tank, but when tank became half full, pump B stops working and rest of the tank is filled by pump A only. How long it took to fill the tank?