SSC CGL (PERCENTAGE) QUANT QUIZ

A machine depreciates 10%per year. The current price of the machine is ₹2,50,000. What will be the cost of the machine after 2 years?

A certain number of students from school A appeared in an examination and $65 \%$ of them passed. $100 \%$ more students than those in school A, appeared in the same examination from school B. If $75 \%$ of the total students that appeared from schools A and B passed, then what is the percentage of students who failed from school B?

Arun spends $30 \%$ of his monthly income on groceries, $20 \%$ of the remaining on rent, and $45 \%$ of the remaining on children's education and others. If he saves ₹ 5,544 a month, then how much (in ₹) does he spend on rent?

If a number $\mathrm{A}$ is $30 \%$ less than another number $\mathrm{B}$ and $\mathrm{B}$ is $20 \%$ more than 150 , then what is the value of $A$ ?

Of the total students who appeared in an examination, 60% were boys and the rest were girls. The passing percentage of boys is $45\%$, and the overall pass percentage of students is $58\%$. What is the pass percentage of girls?

A is $30\%$ more than B and B is $20\%$ less than C. D is $20 \%$ less than A. Then which of the following option is correct?

In a class, 20% of the students are under 10 years of age. The number of students who are more than 10 years old is one third of the number of students who are 10 years old. If there are 24 students who are 10 years old, then how many students are there in the class?

The seats for Mathematics, Physics and Computer Science in a school are in the ratio 7:8:9. These seats are proposed to be increased by 60%, 50% and 70% respectively. What will be the ratio of increased seats ?

Savita decides to donate 8% of her monthly income to a charitable trust. On the day of charity she changes her decision and donates an amount of ₹ 2,880 which is 20% less than the amount already earmarked for charity. What is his monthly income (in ₹)?