Question Bank - General Aptitude

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Study the following table carefully to answer the questions given below. Marks obtained by three students A, B and C in three subjects out of 100StudentSubjectsMathematicsScienceEnglishA888666B657478C726884 The average marks obtained by all the students in Maths is:

A.
79
B.
87
C.
81
D.
75

Solution:

Given:Marks obtained by student A in Maths = 88Marks obtained by student B in Maths = 65Marks obtained by student C in Maths = 72Total marks per subject = 100Formula Used:Average = Sum of the Maths Marks(A,B,C) / Number of studentsCalculation:The sum of the marks obtained by A, B, C = 88 + 65 + 72? sum = 225Number of students = 3Average marks = 225/3? Average marks = 75 ? Average Marks marks obtained by A, B, C is 75.

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