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A student scores the following marks in 10 tests 3,7,x,7,12,9,10,4,2,5 If the mean mark is 6, calculate the value of x.

A student scores the following marks in 10 tests 3,7,x,7,12,9,10,4,2,5 If the mean mark is 6, calculate the value of x.
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6 votes
A student scores the following marks in 10 tests

3,7,x,7,12,9,10,4,2,5
If the mean mark is 6, calculate the value of x.

User Lucasgcb
by
7.9k points

1 Answer

11 votes
x=1
Explanation=

10*6 = 60

3+7+7+12+9+10+4+2+5= 59

60-59=1
User Fanl
by
8.4k points
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