1.

In class there are a total of 60 boys and girls. Which of the following can’t represent the ratio of the number of boys and girls in the class?1. 2 : 32. 1 : 33. 1 : 64. 3 : 7

Answer» Correct Answer - Option 3 : 1 : 6

Given : 

Total number of Boys & Girls = 60

calculation = 

Factors of60 = (1,3,4,5,6,10,12,15,20)

sum of the ratio of boys and girls =,(1,3,4,5,6.10,12,15,20)

1 : 6 Sum is 7 that is not divisible by 60

2 : 3 ,1 : 3 , 3 : 7 sum is divisible by 60

Hence1:6 cant be the ratio of Boys and girls 

 



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