Quantitative Aptitude
There are 48 students in a class. Their average weight is 48kg. Whenone student leaves the class, the average weight reduces by 200 grams. What is the weight of the student who left the class?
A man and woman working on alternate days can finish a work in 15 days if the man works on the first day. The same work is finished in 14.5 days if they work on alternate days and if the woman starts om the first day. The work will be finished by a man alone in ___________ days.
A boat covers a distance of 65km downstream in 5 hours while it takes 13 hours to cover the same distance upstream. What is the speed of the boat in still water?
There are 2 varieties of rice. Variety 1 costs Rs.100/kg and variety 2 costs Rs.120/kg. The vendor mied both the varieties and sold for Rs.121/kg and gained 10%. Find the ratio of variety 1 to the variety 2 rice in the mixture.