railway RPF Constable Mock Test Series 2024 Quantitative Aptitude Average

The average weight of 20 students in a class is 55 kg. If the weight of the class teacher is included, the average is increased by 0.5 kg. The weight of the class teacher is:

1

67.2 kg

2

63.5 kg

3

65.5 kg

4

68.4 kg

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