The average weight of 10 students is increased by half a Kg when one of the students weighing 50 Kg is replaced by a new student. Find out the weight of the new student.

55 Kg

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60 Kg

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45 Kg

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40 Kg

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None of these

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Solution

The correct option is A 55 Kg
Weight of the new student
$= 50 + 10 \times 112 = 55 K g$

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The average weight of 10 students is increased by half a Kg when one of the students weighing 50 Kg is replaced by a new student. Find out the weight of the new student.

The correct option is A 55 KgWeight of the new student =50+10×112=55 Kg

The correct option is A 55 Kg
Weight of the new student
$= 50 + 10 \times 112 = 55 K g$