Question Bank - General Aptitude

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The ratio of boys to girls in a class is 7 to 3.Among the options below, an acceptable value for the total number of students in the class is:

A.
50
B.
37
C.
73
D.
21

Solution:

Given:The ratio of boys and girls in a class is 7 : 3Calculation:Let be assume boys and girls in a class is 7x and 3x respectively.? The sum of boys and girls = 7x + 3x = 10x? The total number of strength of the class will be multiple of 10 so 50 will be the right answer? The required result will be 50.

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