The average weight of 8 persons increased by 2 5 kg when a new person comes in place of one of them ...........

Quantitative Aptitude (CHSL) Average

The average weight of 8 persons increased by 2.5 kg when a new person comes in place of one of them weighting 45 kg. What

is the weight of the new person?

This questions was previously asked in

SSC CHSL 31st May 2022 Shift-3

63 kg

60 kg

65 kg

62 kg

- When the average weight of 8 persons increases by 2.5 kg, the total increase in weight is 8 × 2.5 = 20 kg.

- This means the new person is 20 kg heavier than the original person replaced.

- The person replaced weighed 45 kg, so the new person's weight is 45 kg + 20 kg = 65 kg.

- Checking options:

- Option 1: 63 kg

- Option 2: 60 kg

- Option 3: 65 kg (Correct, fits the calculation)

- Option 4: 62 kg

So, the correct answer is:

Option 3: 65 kg

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