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Speed = Distance/time = 135/15 = 9 km/hr According to the question, New time = 3/5 x 15 = 9 hrs New distance = 1/2 x 135 = 67.5 km Required speed = Distance left/Time left = 67.5/6 = 11.25 km/hr
Efficiency of A, and B are in the ratio of 3 : 4. If both can do a work together in 30 days. Find out how much days A will take to complete the work alone?
In a retreat, there is sufficient food for 300 people for the duration of the retreat. After 8 days, 100 people leave the retreat. Then, after another 3...
Komal and Seema individually can complete a task in ‘2a’ hours and ‘5a’ hours respectively. If they together can complete half of the work in 5...
Rajesh and Bhupesh can complete a piece of work in 20 days and Bhupesh alone in 25 days. In how many days can Rajesh alone complete the work?
A is capable of finishing a task in 60 days. B requires 40% more time than A to finish the same task. How many days will A and B need to complete 80% of...
A and B can jointly finish a task in 42 days, while B and C together take 35 days to finish the same task. If B can finish the task alone in 105 days, h...
A’ and ‘B’ together can complete a work in 10 days while ‘A’ takes 18 days to complete the same work alone. If ‘C’ is 25% more efficient t...
P alone can finish the work in 8 days, while Q alone takes 24 days. R completes 50% of the work in 5x days, and the remaining 50% is completed by P an...
9 children can complete a piece of work in 360 days. 18 men can complete the same piece of work in 72 days and 12 women can complete the piece of work i...
A can complete 25% of work in five days. And this takes four days more than B to complete the whole work. They started the work together but after X day...
