Question

Choose the correct answer from the given four alternaVes. In a school, 58% of the total numbers of students are boys. If the number of girls is 840, how many students are there in the class?​

Answer 1

2000 students (840 are girls and 1160 are boys)

Explanation:

Let X be the total number of students. Let G and B stand for the total number of Girls and Boys, respectively.

We are told that 58% are boys:

0.58X = B

This means 42% are girls:

0.42X = G

We are told that G = 840

0.42X = 840

X = 2000 students

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Since 0.58X = B

0.58(2000) = 1160 boys

1160 boys

840 girls

2000 total students