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The average weight of a class of 24 students is 35...

This question belongs to Arithmetic Ability Average
Average
?

The average weight of a class of 24 students is 35 kg. If the weight of the teacher be included, the average rises by 400 g. The weight of the teacher is -

Answer & Solution
Correct Answer: Option A
Weight of the teacher
= (35.4 × 25 - 35 × 24) kg
= 45 kg
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1 Comment
Pir Zada
Pir Zada 5 years ago
Sol
35+(0.4)×25/1
35+10=
45Kg
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