The ratio of boys and girls in a class is 1:2 and the classroom has 24 students. How many boys would have to be admitted to make ratio of boys to girls 1:1?
সমাধান
সঠিক উত্তর: Option B
B + G = 24
B/G = 1/2
2B = G
Now,
B + 2B = 24
or, 3B = 24
or, B = 8
Then,
8 + G = 24
or, G = 24 - 8
or, G = 16
To make 1:1,
The amount of boys must be equal to Girls.
Thus, additional (16 - 8) or 8 boys is required.
