In class there are a total of 60 boys and girls. Which of the following can’t represent the ratio of the numberof boys and girls in the class?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 1 : 6.
Here from 1st option Total student can be represent by 2x + 3x = 5x = 60, x = 12
From 2nd option Total student can be represent by x + 3x = 4x = 60, x = 15
From 3rd option Total students can be represented by x + 6x = 7x = 60, here the value of x will be in a fraction which is not possible in the number of students