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The marks of six boys in a group are 48, 59, 87, 37, 78 and 57. What are average marks of all six boys?


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A pupil's marks were wrongly entered as 83 instead of 63. Due to that the average marks for the class got increased by half $$\frac{1}{2}$$ . The number of pupils in the class is:

The marks of six boys in a group are 48, 59, 87, 37, 78 and 57. What are average marks of all six boys?

Six numbers are arranged in decreasing order. The average of the first five numbers is 30 and the average of the last five numbers is 25. The difference of the first and the last numbers is

The marks of six boys in a group are 48

59

87

37

78 and 57. What are the average marks of all six boys?

Averages Aptitude Questions

Arithmetic-Aptitude