Suman studies for `5 2/3` hours daily. She devotes `2 4/5` hours of her time for Science and Mathematics. How much time does she devote for other subjects?

Rajesh studies for 6 hours in a day, of hich he spends 60% time on Mathematics and 40% time on Physics. Find out how much time he spends studying thw two subjects.

Ravi walks at a uniform speed of 4 km per hour . How much time does he take to cover 600 metres ?

Geeta is going on her moped at a speed of 24 km/hr. How much time will she take to cover 540 metres ?

Ashish studies for 4 hours, 5 hours and 3 hours respectively on three consecutive days. How many hours does he study daily on an average?

A girl buys lemons at 4 for Rs 3 and sells them at 5 for Rs 4. How much percent loss or gain does she make?

Ashish studies for 4 hours, 5 hours and 3 hours respectively on threeconsecutive days. How many hours does he study daily on an average?

A mathe teacher decides to create several practice tests for her students before they take the SAT. She wants to make some non-calculator tests and some calculator tests os that her students will be able to practice both.She figures that each non-calculator test take her 3 hours to create, and each calculator test will take 4 hours to create. If she is willings to devote at most 6 hours per week of her time for the next 5 weeks to create the practice tests, and she wants to provide at least 8 practice tests, which of the following systems of inequalities can help her determine how many of each type of test she can create?

Pipe A can fill an empty tank in 6 hours and pipe B in 8 hours. If both the pipes are opened and after 2 hours pipe A is closed, how much time B will take to fill the remaining tank?

Two taps A and B can fill an overhead tank in 10 hours and 15 hours respectively. Both the taps are opened for 4 hour and then B is turned off. How much time will A take to fill the remaining tank ?

Mike and Fritz ran a 30 - mile Marathon. Mike ran 10 miles per hour and then ran at 5 mile per hour for the remaining 20 miles. Fritiz ran for the first one-third of the time of the run at 10 miles per hour, and for the remaining two-thirds of his time at 5 miles per hour. How much time in hours Mike take to complete the Marathon?