The ratio of the number of boys to that of girls was `1:2` but when 2 boys and 2 girls left, the ratio became `1:3`. How many people were at the party originally ?

The ratio of number of ladies to gents at a party was 1 : 2, but when 2 ladies and 2 gents left, the ratio became 1 : 3. How many people were originally present at the party?

In a party the ratio number of boys and girls are in 1 : 2. If two boys and two girls went out then it ratio became 1 : 3. How many boys and girls were present initially.

The ratio of number of boys to that of girls in a group becomes 2:1 when 15 girls leave.But, afterward5when 45 boys also leave,the ratio becomes I Originally the number of girls in the group was 20 b.30 c.40 d.50

In a school , the ratio of boys and girls is 4:5. When 100 girls leave the school, the ratio becomes 6 :7 How many boy are there in the shool ?