Is Your Gk Strong|Boys Vs Girls

Titration OF Weak Base vs Strong Base || Titration OF Polyprotic Acid vs Strong Base || Solubility & Solubility Product

A committee of 4 boys and 3 girls is chosen from 8 boys and 5 girls. One of the boys is a brother of one of the girls. Probability that both are in the committee is

In a group of boys and girls , 15 girls left the group , the ratio boys and girls becomes 2:1 . If after , 45 boys left the group , the ratio become 1 :5 Initially ,how many girls were there in the group ?

From a group of boys and girls,15 girls leave. There are then left 2 boys for each girl.After this,45 boys leave.There are then 5 girls for each boy.Find the number of girls in the beginning.

In a class of 49 students, the ratio of girls to boys is 4:3. If 4 girls leave the class, the ratio of girls to boys would be