Three-fourth of the number of girls in a school is equal to half of the number of boys. If the school has 1420 pupils, how many of them are boys?
Answer: 852
Explanation
Let's say the number of girls is G and the number of boys is B.
3/4G = 1/2B
Given that the total number of pupils is 1420:
G + B = 1420
Solving the equations, we get B = 852.
The correct answer is 852.
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