in an examination 72% of the total examinees passed if the numbers of failures is 392 find the total numbers of examinees
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Solution : let the total number of examinees=x
So, x=72/100×x+392
or,100x=72x+39200
or,100x-72x=39200
or,. 28x=39200
or,. x=1400
So, the total number of examinees are 1400.
So, x=72/100×x+392
or,100x=72x+39200
or,100x-72x=39200
or,. 28x=39200
or,. x=1400
So, the total number of examinees are 1400.
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