In the exam, 45% of students failed and 550 students were successful. The total number of students appeared in the exam were:

Answer: 1000
Explanation

Total Students = X

Fail Student = 45% of X

Pass Student= 550

 

X x 45% of X = 550

X value is one so 45% of x means .45 so we less one from .45

1 - .55 = 550

X = 550/.55

X = 55000/55

X =1000

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