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Byju's Answer
Standard XII
Mathematics
Mean
The average o...
Question

The average of Alok's marks in 7 subjects is 75 .His average in six subjects excluding science is 72. How many marks did he get in science

A
93
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B
90
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C
72
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D
None of the above
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Solution

The correct option is A 93
Marks in science=7×75−6×72
=525−432=93

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Q. Praveen gets 40 marks out of 50 in Computer Science. 70 out of 100 in Manufacturing science and 142 out of 150 in proffessional communication. The average marks of Praveen (In percent) in all the three subjects is :

Q. Study the following table carefully to answer these questions:

Percent of Marks obtained by six students in six subjects
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Q. Study the following table carefully to answer these questions:

Percent of Marks obtained by six students in six subjects
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Percent of Marks obtained by six students in six subjects
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