Distance covered by bus 10 km in 12 min. As we know, Speed = Distance/Time Speed of bus = 10/(12/60) = 50 km/hr New speed of bus = 50-25 = 25 km/hr Time to cover 10 km distance with a speed of 25 km/hr = 10/25 x 60 = 24 min
A and B alone can complete a work in 30 and 60 days, respectively. 50% of the work is completed by C in 6x days, and the remaining work is completed by ...
X, Y and Z together can complete a work in 15 days. X and Y together can complete the same work in 30 days. Z alone can finish the same work in how man...
A can complete a certain work in 30 days. B is 25% more efficient than A and C is 20% more efficient than B. They all worked together for 3 days. B alon...
A, B and C can do a job working alone in 50, 75 and 20 days respectively. They all work together for 4 days, then C quits. How many days will A and B ta...
Two workers A and B working together completed a job in 5 days. If A worked twice as efficiently as he actually did and B worked 1/3 as efficiently as h...
A and B together can complete a task in 10 days, B and C can do in 15 days, and C and A together can do it in 12 days. How long will they take to compl...
A man can do a piece of work in 30 hours. If he works with his son then the same piece of work is finished in 20 hours. If the son works alone he can do...
A, B and C can individually complete a piece of work in 24 days, 15 days and 12 days,respectively. B and C started the work and worked for 3 days and le...
The diameters of three inlet pipes of a cistern are 1.5 cm, 2 cm and 2.5 cm respectively. The pipe with the maximum diameter can alone fill up the ciste...
A contractor assigned a job to three persons A, B and C. ‘A’ which is 25% less efficient than ‘B’ can complete 20% of a work in 8 days. ‘C’ ...
