answer 20 and 25 , even the or question and above 20 also
Attachments:
Answers
Answered by
0
No. Of girls is 10 more than no. Of boys
x=y+10
x-y=10
Now if y=20
x=20+10
x=30
x=y+10
x-y=10
Now if y=20
x=20+10
x=30
Similar questions