Question 66
The pie chart given below shows the time taken in 7 different procedures J1, J2, J3, J4, J5, J6 and J7 in making a car as a percentage of total time taken. The total time taken in making one car is 1200 hours.
What is the average time taken in procedures J3, J6 and J7?
Solution
Total time taken in making one car = 1200 hours
Time taken in J3 = 20% of 1200
Time taken in J6 = 16% of 1200
Time taken in J7 = 12% of 1200
Total time taken in J3, J6, J7 = (20+16+12)% of 1200 = 48% of 1200 = 576 hours
Average = 576/3 = 192 hours.
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