In a department , 3/5 of the workers are men and the rest are women. If 1/2 of the men and 3/7 of the women in the department are over 35, what fraction of all the workers in the department are over 35?
A. 33/70
B. 66/70
C. 33/140
D. 35/140
সঠিক উত্তরঃ
A.
33/70
Explanation:
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