SSC GD MATHS QUIZ

What is the single discount equivalent to a series of discounts of $40 \%$ and $20 \% ?$

The price of a commodity increases by $20\%$ every year. If the difference of its prices at the end of 3rd and 4th year is ₹ $86.40$, then find its cost (in ₹) at the end of 2nd year.

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?

If A's salary is 25% less than B's, then how much B's salary is more than A's?

If $30 \%$ of $(x-y)=20 \%$ of $(x+y)$, then what percent of $x$ is $y$ ?

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 income of x is 80% more than that of y, and the income of z is 60% of the total income of x and y. The income of z is what percent less than that of x (correct to one decimal place)?

The savings of Rita is equal to 20% of her expenditure. If her income increases by 35% and expenditure increases by 38%, then her savings:

How many litres of pure acid are there in 15 litres of 30 % solution?