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Mean

Average weigh...

Question

Average weight of $25$ persons is increased by $1$ kg when one man weighing $60$ kg is replaced by a new person. Weight of new person is

A

50

kg

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B

61

kg

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C

86

kg

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D

85

kg

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Solution

The correct option is D $85$ kg
Total weight increased $= 1 \times 25 = 25 k g$
$∴$ weight of new person is $60 + 25 = 85 k g$

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