CAT (QA) PYQs

In an examination, the score of $A$ was $10\%$ less than that of $B$, the score of $B$ was $25\%$ more than that of $C$, and the score of $C$ was $20\%$ less than that of $D$. If A scored $72$, then the score of $D$ was

After two successive increments, Gopal's salary became $187.5 \%$ of his initial salary. If the percentage of salary increase in the second increment was twice of that in the first increment, then the percentage of salary increase in the first increment was

In a class, $60\%$ of the students are girls and the rest are boys. There are $30$ more girls than boys. If $68\%$ of the students, including $30$ boys, pass an examination, the percentage of the girls who do not pass is