13. What is the total number of candidates who appeared in an examination, if 20% are failed and the number of passed

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September 2023 1 5 Report

13. What is the total number of candidates who appeared in an examination, if 20% are failed and the number of passed candidates are 240 more than the number of failed candidates?

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rajesselvan84

Answer:

650

Step-by-step explanation:

Failed candidates = 31 %

Passed candidates = 69%

we have

100

69x

−

100

31x

=247

100

38x

=247

x=650

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