Question

If 40% of the students in a college are boys and the numbers of girls is 420, the numbers of boys is ________. A) 280 B) 290 C) 300 D)320​

Answer 1

Answer:

320

Explanation:

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Answer 2

Answer:

Let the number of students be x

If 40% of the students in the college are boys then rest 60% must be girls.

60%of x = 420

=>60/100*x=420

=>x=(420*100)/60

=>x=700

Therefore,the number of boys in the college = Total number of students - Number of girls

=700-420

= 280