TCS Company

a company undertakes to supply 20,000 defect free widgets to a customer.past experirnce suggests that the defective widgets in a production run would form 20% of the total output.what are the no. of widgets that have to be produced by the company?

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TCS Other Question
A father and his son go out for a ‘walk-and-run’ every morning around a track formed by an equilateral triangle. The father’s walking speed is 2 mph and his running speed is 5 mph. The son’s walking and running speeds are twice that of his father. Both start together from one apex of the triangle, the son going clockwise and the father anti-clockwise. Initially the father runs and the son walks for a certain period of time. Thereafter, as soon as the father starts walking, the son starts running. Both complete the course in 45 minutes. For how long does the father run? Where do the two cross each other? the cost of a car is reduced by 20% but revenue collection is expected to increase by 20% due to incresing sales.x% is the increase in sales for this to happen?