railway RRB Technician Grade 3 Mock Test 2024 Quantitative Aptitude Average

The average weight of a group of 20 boys was calculated to be 65 kg and it was later discovered that the weight of a boy was misread as 76 kg instead of the correct weight 66 kg. The correct average weight was:

1

66 kg

2

63 kg

3

65.5 kg

4

64.5 kg

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