DELHI POLICE MATHS QUIZ-42

Attempt now to get your rank among 182 students!

Question 1:

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 larger number?

Question 2:

The average salary of all the employees in a workshop is ₹ 18,000. The average salary of 7 technicians is ₹ 24,000 and that of the remaining employees is ₹ 12,000. What is the total number of employees in the workshop?

Question 3:

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)?

Question 4:

The curved surface area of a right circular cylinder is $3432 \mathrm{~cm}^2$ and the radius of its base is $26 \mathrm{~cm}$. Its volume (in $\mathrm{cm}^3$ ) is:( Take $\pi=\frac{22}{7}$ )

Question 5:

Shalini saves one-third of her income. If her income increases by $x\%$ and expenses by $15\%$, then her savings increases by $21\%$. find the value of $x$.

Question 6:

$\mathrm{A}$ and $\mathrm{B}$ can do a piece of work in 12 days and 20 days respectively. They both work together for 6 days. The remaining work is completed by $C$ alone in 12 days. In how many days will $A$ and $C$ together complete the $\frac{2}{3}$ part of the work?

Question 7:

The volume of a cone is $144 \pi$ cm$^{3}$. If its height is twice the radius of its base, then what will be the curved-surface area (in cm$^2$) of the cone?

Question 8:

By selling an article for $\frac{9}{16}$ of its selling price, the trader incurs a loss of $25\%$. If that article is sold for $15\%$ less than its original selling price, what will be the profit percentage?

Question 9:

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?

Question 10:

The difference between a two-digit number and the number obtained by interchanging the position of its digits is 45 . What is the difference between the two digits of that number ?