Direction (Q. 1 - 5) : In a class of 100 students, 15% play only hockey, 13% play only cricket and 1/10 of the total students play only football. 5 students play all the three sports. Students who play hockey and cricket but don't play football is 12% of the total students and students who play hockey and football but not cricket is 60% more than the number of students who play all the three games.

How many students play cricket and football but not hockey ?

In a class of 40 students, 30% failed in Hindi, 25% failed in English and 10% failed in both the subjects. What is the number of students who passed in both the subjects ?

'A' can do a work in 50 days and ' B ' can do the same work in 20 days. They work together for ' 4 ' days and then 'A' leaves the work. In how many days will ' B ' finish the work ?

Two places 'A' and ' B ' are 200 km apart. A train leaves 'A' for ' B ' and at the same time another train leaves ' B ' for 'A'. Both the trains meet 5 hours after they start moving. If the train travelling from 'A' to ' B ' travels 10 kmh"1 faster than the other train, what is the speed of the slower train ?

If a car travels a distance of300 km in 8 hours, partly at a speed of 40 kmh"' and partly at 30 kmh"1, what is the distance it travelled at the speed of 40 kmh"' ?