In a certain factory, a unit of work is completed by A in 4 minutes, by B in 5 minutes, by C in 6 minutes, by D in 10 minutes and by E in 12 minutes.   (i) Determine their average rate of working? (ii) Determine the average number of units of work completed per minute?   (iii) At this rate, how many units of work each of them, on the average, will complete in a six-hour day?   (iv) Also find the total units of work completed

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Differential Equations

Have you ever observed the movement of the satellites and rockets or how the planets go around the sun in their orbits? How will you determine their motion? Definitely they follow some scientific laws and these kinds of problems are framed as differential equations.