Mathematics · Average
The average weight of 55 students in a class is 68 kg. The weights of two students were wrongly entered as 72 kg and 55 kg instead of 52 kg and 80 kg respectively. If the correct average weight is x kg, which of the following is true about x?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1x is a perfect square number
- 2The difference between the digits of x is more than 3
- 3The product of the digits of x is 32
- 4The sum of the digits of x is 14✓
Correct answer
The sum of the digits of x is 14
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