"The mean monthly salary paid to 75 workers in a factory is Rs 5680. The mean
Channel: Doubtnut
Date: 2020-04-12

"The mean monthly
 salary paid to 75 workers in a factory is Rs 5680. The mean salary of 25 of
 them is Rs 5400 and that of 30 others is Rs 5700. The mean salary of the
 remaining workers is
(a) Rs
 5000 (b) Rs 6000 (c) Rs 7000 (d) Rs 8000"