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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?

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? Correct Answer 192 hours

Given:

From the pie chart,

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

Calculations:

Total time taken in J3, J6, J7 = (20 + 16 + 12)% of 1200

⇒ Total time taken in J3, J6, J7 = 48% of 1200 = 576 hours

⇒ Required Average = 576/3

⇒ Required Average = 192 hours.

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