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In a class X of 30 students, 24 passed in first class; in another class Y of 35 students, 28 passed in first class. In which class was the percentage of students first class more ?
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- Class X has more percentage of students getting first class
- Class Y has more percentage of students getting first class
- Both classes have equal percentage of students getting first class
- None of the above
Correct Option: C
For class X, let the students passed in first class = a%
Then, by condition given in question
a% of 30 = 24
⇒ (a x 30) /100 = 24
∴ a = 80%
Now, for class Y let the student passed in first class = b%
Then, according to the question,
b% of 35 = 28
⇒ (b x 35)/100 = 28
∴ b = (28 x 100)/35 = 80%
Hence, both classes have equal percentage of student getting first class.
