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The average of marks in Mamatics for 5 students was found to do 50. Later, it was discovered that in case of one student marks 48 were misread as 84. The correct average is :


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There are 30 students in a class. The average age of first 10 students is 12.5 years. The average age of the remaining 20 students is 13.1 years. The average age (in years) of the students of the whole class is :

The average of marks in Mamatics for 5 students was found to do 50. Later, it was discovered that in case of one student marks 48 were misread as 84. The correct average is :

The average marks obtained by a class of 60 students is 65. The average marks of half of the students is found to be 85. The average marks of the remaining students is :

The average of marks in Mathematics for 5 students was found to do 50. Later

it was discovered that in the case of one student the marks 48 were misread as 84. The correct average is :

Averages Aptitude Questions

Arithmetic-Aptitude