Question

a picnic is being planned in our school for class seventh girls are 60percentage of the total number of students and 18 in number find the percentage of boy​

Answer 1

Answer:

40%

Step-by-step explanation:

let total no. of students be x

now

no. of girls = 18

or, (x*60/100)=18

or, (60x)/100=18

or, x=1800/60

or, x=30

total no of students = 30

total no of boys = 30-18=12

percentage of boys =(100-60)percentage=40%