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kanika thakur

· started a discussion

· 1 Months ago

solution

Question:

In an exam the average marks obtained by the girls of a class is 85 and average marks obtained by the boys of the same class is 87. If girls and boys is in the ratio 4 : 5, then what is the average marks of whole class?

Options:
A)

86.4

B)

86.1

C)

85.9

D)

86.5

E)

None of these

Solution:

Ans: (b)

   

Knowledge Expert

· commented

· 1 Months ago

Dear student,
It is already mentioned.
Keep learning,
Team TR

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