railway RRB JE (CBT I + CBT II) Mock Test 2024 Quantitative Aptitude Average

In a class of 56 students there are 21 girls. The average weight of these girls is 56 kg and average weight of the full class is 62.875 kg. What is the average weight of the boys of the class?

1

69.75 kg

2

72.5 kg

3

67 kg

4

65 kg

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