Mean attendance of a class from Monday to Saturday was 33. If the mean attendance of Monday Tuesday and Wednesday was 32 and that of Wednesday, Thursday Friday and Saturday was 34, find the attendance on Wednesday
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Answer:
TA= Total attendence
TA from mon to Thurs=33×4=132
TA from Thurs to sat=35×3=105
Mean attendence of week =TA/No. of days
34=(132+105+ Thurs. )/6
( as Thursday is included twice in TA i.e.both TA's)
Now I think you can solve
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TA= Total attendence
TA from mon to Thurs=33×4=132
TA from Thurs to sat=35×3=105
Mean attendence of week =TA/No. of days
34=(132+105+ Thurs. )/6
( as Thursday is included twice in TA i.e.both TA's)
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