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The mean of 9 observation is 16. One more observation is included and new mean becomes 17. The 10th observation is :


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This Chapter Averages-Aptitude-Questions consists of the following topics

The average age of a class of 39 students is 15 years. If the age of the teacher is included, then the average increases by 3 months. Find the age of the teacher.

The mean of 9 observation is 16. One more observation is included and new mean becomes 17. The 10th observation is :

The average weight of first 11 persons among 12 persons is 95 kg. The weight of 12<sup>th</sup> person is 33 kg more than the average weight of all the 12 persons. The weight of the 12<sup>th</sup> person is :

The mean of 9 observation is 16. One more observation is included and the new mean becomes 17. The 10<sup>th</sup> observation is :

Averages Aptitude Questions

Arithmetic-Aptitude