Question

In a car factory 20 men can assemble a car in 5 hours. As the factory opens 20 men join the work and then 4 men join every hour and each man leaves after working 10 hours at a stretch .Find the number of cars that can be assembled in the first 113 hours

Answer 1

45 Cars can be assembled in first 113 hrs

Step-by-step explanation:

First 20 Men  join the work Work for 10 hrs each

= 20 * 10 = 200 hrs

Then from 1 hrs  to 103 hrs  joining 4 Worker ech work for 10 hrs

= 10 * 4  * 103

= 4120 hrs

Then Worker Joining from 104 hrs to 113 hrs work for

( 9 , 8 ......................................0 hrs)

4 * 9 *10/2

= 180  hrs

Total hrs = 200 + 4120 + 180

= 4500 hrs

20 men can assemble a car in 5 hours

=> 100 hrs for 1 car

number of cars that can be assembled  = 4500/100 = 45

45 Cars can be assembled in first 113 hrs

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