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The average weight of a class of students is 67 5...

This question belongs to Arithmetic Ability Percentage
Percentage
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The average weight of a class of students is 67.5 kg. The weight of the class teacher is 25% more than the average weight of the class. The average weight of the class is less than the class teacher by x%. The value of x is:

Answer & Solution
Correct Answer: Option B
100 == 25% ↑ ==> 125 == x%↓ ==> 100
$${\text{x}}\% = \frac{{25 \times 100}}{{100}} = 25\% $$
We don't need the actual value to calculate the answer
Examveda
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2 Comments
Suprakash Dasmahapatra
Suprakash Dasmahapatra 4 years ago
Yes, answer should be 20%.
25/125% = 20%
Anshita Singh
Anshita Singh 5 years ago
Answer should be c
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