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in an examination 25 percentage of them failed to obtain the pass mark. the number of candidates who passed was 150 . how many candidates failed . show working​

Respuesta :

sqdancefan

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Answer:

  50 failed

Step-by-step explanation:

If 25% failed, then 100% -25% = 75% passed. The number who failed is ...

  failed/passed = 25%/75% = 1/3

of the number who passed.

  (1/3)(150) = 50 . . . . candidates failed

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