DELHI POLICE CONSTABLE QUANT QUIZ

Attempt now to get your rank among 23 students!

Question 1:

A can complete a task in 8 days while B can complete it in 12 days. In how many days can C complete the task if all 3 of them together can complete it in 3 days?

Question 2:

If (2x + 3) : (5x + 4) is the triplicate ratio of $3: 4$, find the square of 'x'?

Question 3:

An object travels $25 \mathrm{~m}$ in $3 \mathrm{~s}$ and then $15 \mathrm{~m}$ in $2 \mathrm{~s}$. What is the average speed of the object?

Question 4:

Find the average of the following set of digits 232,149,208,301,399,415

Question 5:

A sphere of radius $10 \mathrm{~cm}$ is melted and made into a cone of height $10 \mathrm{~cm}$. Find the diameter of the cone.

Question 6:

A trader allows a discount of $18 \%$ on the marked price of an article. How much percentage above the cost price must he mark it so as to get a profit of $6.6 \%$ ?

Question 7:

A cloth piece was purchased for Rs. 600 . At what price should it be sold to get a profit of $12.5 \%$ after a tailoring charges of Rs. 40 was paid for?

Question 8:

A sum of money becomes 4 times at simple interest in 10 years. What is the rate of interest?

Question 9:

The difference between a profit of $15\%$ and a loss of $9\%$ is Rs 768. What is the cost price of the article being talked about here?

Question 10:

Find the unit place digit:

$43 \times 44 \times 45 \times \ldots \ldots \times 49$