The predecessor of 89 is 90.
Find the most demanded shirt size.
Shirtsize3839404142Numbersold6073899023
The marks obtained by 10 students in a class are as follows, what is the probability that the average mark obtained by a student in the class is less than 70?(in decimals)
StudentEnglishHindiMathematicsScience1877890892906876783796859614716779575699186766878567607789089938927688909778185861086759389
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