For the following questions answer them individually
Manu sold a dozen watches for Rs.1454.64 per watch and made a profit of 16%. Find the cost price of each watch?
What is the rate of change of position of an object with respect to a frame of reference, which is a function of time called?
Manju takes 16 days to complete a work. If she works with her friend Jenny they complete it in 12 days. How many days will it take for Jenny to complete the work alone?