Question

An an examination, 72% of the total number of candidates passed. If the number of failures is 504, find
the total number of candidates.​

Answer 1

Answer:

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Step-by-step explanation:

so ,

72% candidates passed, (that's good)

let the total no. of candidates be x

%age of candidates who failed = (100-72)% = 28%(not very good)

so , according to question,

28% of x = 504

(28/100)x = 504

x = (504*100)/28

x = 1800 , 1800 candidates----- answer

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Answer 2

Let the total no of candidates be x

72% passed

That is 100% - 72%

= 28%, failed

Now , according to the question.

28% of x = 504

$\frac{28}{100} \times \: x = 504$

$x = 504 \times \frac{100}{28}$

$hence \: x = 1800$