DELHI POLICE CONSTABLE QUIZ-2

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 hollow iron pipe is $14 \mathrm{~cm}$ long and its outer diameter is $6 \mathrm{~cm}$. If the thickness of the pipe is $1 \mathrm{~cm}$ and the weight of iron is $8 \mathrm{~g} / \mathrm{cm}^{3}$, then the weight of the pipe ( in $\mathrm{Kg}$) how much? Use $\left(\pi=\frac{22}{7}\right.$ )

The difference between two integers is 1208. When the larger number is divided by the smaller number, the quotient is 4 and the remainder is 182. Which is the bigger number?

A shopkeeper gives $18 \%$ discount on the discounted price after giving an initial discount of $12 \%$ on the marked price of the washing machine. If the final sale price is ₹ 19,844, then marked price (in ₹) is:

A, B and C can do a piece of work in 10,12 and 15 days, respectively. In how many days can B do the work, if he is assisted by $A$ and $C$ together on alternate days?

An article is sold at a discount of $28\%$ on its marked price. If the cost price of the article is ₹ 1,080, and there is a profit of $20 \%$, then what is the marked price of the article?

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?

What will be the value of $\frac{5}{7} \div 5 \frac{1}{3}$ of $\frac{5}{14}-\frac{5}{14} \times 6 \frac{3}{10}+\left(0 . \overline{57} \div 0.6 \overline{3} \times 5 \frac{1}{2}\right) \times \frac{7}{15}$ ?

Three numbers are such that if the average of any two of them is added to the third number, the sums obtained are 182 , 230 and 242 . What is the average of the three given numbers?

The curved surface area of a right circular cylinder is $1320 \mathrm{~cm}^{2}$ and the radius of its base is $10.5 \mathrm{~cm}$. The volume (in $\mathrm{cm}^{3}$ ) of the cylinder is: (Take $\pi=\frac{22}{7}$ )