A pump can fill a tank in 3 hrs. Due to a leakage, it took 312 hrs to fill it up completely. If the tank is full, how long will it take for the leakage to empty it?
The pie-chart shows the percentage of students taking up different specialisations in a management institute. The total number of students is 4500. Ratio of men to women in each specialisation SpecialisationMenWomenHR23Marketing75International Business51Banking1710IT12Finance54 (A) Find the total number of men studying Banking and International Business. (B) Find the percentage of women studying Finance with respect to the number of men studying the same.