IE math question: IN a style it is necessary to attach button in the finishing section. Order quantity of this style is 500 dozens, SMV for button attach operation is 12.6 & there are only 10 girls available in the finishing section to do this operation. (A) How many working days (10 hour per day) will it take to complete this order if the efficiency of this girls is 75%? (B) For shipment if this order has to be complete 14 working days, how many additional hours should each operation has to work per day?

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Solution: (A)

Given that,

Order quantity= 500 Dozens x 12

                       =6000 pcs

 We know that,

                     Manpower x working hour x 60 x Efficiency%

Target=………………………………………………………………

                                          SMV

 

                       10 x 10 x 60 x 0.75

          =……………………………………….

                                 12.6

 

                       4500

          =…………………….

                       12.6

 

Production= 357.14 pcs per day.

                     

                             Order quantity

Day need=………………………………

                     Per day capacity

 

                             6000

                =………………….

                            357.14

                = 16.80 days (Answer)

 

 Solution: (B)

                                                                                                            6000

If we want to complete in 14 day then per day production need =………………..

                                                                                                   14

 

                                                                                                    = 428.57 pcs

                                                   357.14

10 Girls capacity per hour=…………………

                                                      10

                                         = 35.71 pcs

 

                                            428.57

So per day hour need=………………

                                              35.71

 

                            = 12 hour.

So, Need per day 12 hour work each girls for complete this order in between 14 day. (Answer)