The number of girls in a class is 11 more than boys. If the students are divided into 3 groups equally, what could be the number of boys in the class? a. 28 b. 31 C. 23 d. 25
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Boys=x
Girls=x+11
And total is divided into 3 groups which means the total no. of students is divisible by 3
Let’s take the first option-
If the boys are 28 so, the girls would be 28+11=39 so, total would be 28+39=67
67 is not divisible by 3 so, first option is wrong
According to the second option-
Boys =31
Girls =31+11=42
Total = 42+31=73
73 is not divisible by 3 so, second option is also wrong
The same would be done with c,d option
In c part -
Boys=23
Girls =23+11=34
Total=34+23=57
57 is divisible by 3 so, the answer is c part 23
Girls=x+11
And total is divided into 3 groups which means the total no. of students is divisible by 3
Let’s take the first option-
If the boys are 28 so, the girls would be 28+11=39 so, total would be 28+39=67
67 is not divisible by 3 so, first option is wrong
According to the second option-
Boys =31
Girls =31+11=42
Total = 42+31=73
73 is not divisible by 3 so, second option is also wrong
The same would be done with c,d option
In c part -
Boys=23
Girls =23+11=34
Total=34+23=57
57 is divisible by 3 so, the answer is c part 23
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