Question

The mean weight of 12 employees in a company is
50 kg. Four employees leave the company due to
some personal reason. If the difference between the
mean weight of employees who leave the company
and the employees who are working is 7.5 kg, then
the ratio of mean weight of working employees to
the non-working employees, can be
(1) 19:21
(2) 23 : 19
(3) 8:7
(4) 7:6
​

Answer 1

Option 2.

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