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Q.

A student has obtained 75%, 80% and 85% in three subjects. If the marks of another subject are added then his average can not be less than

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a

90%

b

65%

c

60%

d

80%

answer is A.

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Detailed Solution

Marks obtained in 3 subjects

       75+90+85=240

If one Subject is added

Avg Marks be 240+y4=60+y4

Avg can not be less than 60% 

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