List of top Quantitative Aptitude Questions on Time and Work asked in KMAT KERALA

A box contains 16 red, 12 white, and 15 yellow identical marbles. A man picks one marble at a time without replacement. How many times must he pick a marble to be 100% certain of picking at least 3 white marbles?

A is twice as efficient as B. If A and B together finish a job in 12 days, then number of days required for B to finish the job, is
A pipe fills a tank in 4 hours; another empties it in 8 hours. If both are opened, how long will it take to fill the tank?
A typing work is done by two persons A and B. A and B together can type a booklet in 4 hours, but A alone takes 12 hours to type the booklet. How many hours required for B to type the booklet?
A bacterium doubles every hour. There are 5 bacteria initially. How many will there be after 6 hours?
A wall of 60 m long can be built by 36 men in 21 days. Number of men required to build the same wall in 14 days, is
A runner can complete a 750 m race in two and a half minutes. The speed of the runner is

Two men A and B complete a task in 8 days and earn Rs.8000. If A does 60% of the work, then A gets