Question

In a class , the number of girls is 50 less than twice the number of boys . If the total number of students is 70 , then find the no. of boys in a class ​

Answer 1

$</p><p></p><p> </p><p>Answer</p><p>Let the number of girls be x, then from the question, it is clear that number of boys are 3x, </p><p>Therefore, total no. of students = Number of boys + Number of girls = 3x+x=4x Now, the total number of children in the class must be a multiple of 4 </p><p>(C) does not qualify this condition. </p><p>Therefore, 42 does not represent the total number of children in the class.$