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The average age of seven boys sitting in a row facing North is 26 years. If average age of first three boys is 19 years and average age of last three boys is 32 years, what is age of boy who is sitting in middle of row?


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There are 3 groups of students, each containing 25, 50 and 25 students respectively. The mean marks obtained by the first two groups are 60 and 55. The combined mean of all the three groups is 58. What is the mean of the marks scored by the third group ?

The average age of seven boys sitting in a row facing North is 26 years. If average age of first three boys is 19 years and average age of last three boys is 32 years, what is age of boy who is sitting in middle of row?

The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, then the weight of B is:

The average age of seven boys sitting in a row facing North is 26 years. If the average age of the first three boys is 19 years and the average age of the last three boys is 32 years

what is the age of the boy who is sitting in the middle of the row?

Averages Aptitude Questions

Arithmetic-Aptitude