The mean marks of 10 men in a class are 70 Kg, whereas the mean marks of 15 women is 60. The mean marks of all the 25 people are: - Study24x7
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The mean marks of 10 men in a class are 70 Kg, whereas the mean marks of 15 women is 60. The mean marks of all the 25 people are:

A

64

B

60

C

55

D

52

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