DELHI POLICE HEAD CONSTABLE QUANT QUIZ

Attempt now to get your rank among 1 students!

Question 1:

In a school, there were $x$ students and the ratio of the number of boys and girls was 6: 7. If 153 more boys joined the school while 135 girls left the school the ratio of boys and girls becomes $5: 4$. Find the value of $x$.

Question 2:

Find the least number which should be added to 1456 so that it is divisible by 6, 5 and 4 without leaving a remainder.

Question 3:

A train covers a distance between station $A$ and station $\mathrm{B}$ in 45 minutes. If the speed of the train is reduced by $5 \mathrm{~km}$ per $\mathrm{hr}$, then the same distance is covered in 48 minutes. The distance between station $A$ and station $B$ is:

Question 4:

Find the value of $21+3.9 \times 2.9+8.99=?$

Question 5:

The average of 74 numbers is 318 . If each number is multiplied by $0.4$ and then $2.2$ is added to each number, the average of the new set of numbers is:

Question 6:

If a certain amount is lent at compound interest for 3 years at 10% ,15% and 20% for first year, second year and third respectively. Find the compound interest for 3 years.

Question 7:

The salary of a person was reduced by 10%. By what percent should his reduced salary be raised so as to being at to with his original salary -

Question 8:

What is the greatest number which will divide 260, 610 and 490 and leave remainders 12, 18 and 34 respectively.

Question 9:

Two men $A$ and $B$ started a job in which $A$ was thrice as good as $\mathrm{B}$ and therefore took 60 days less than $\mathrm{B}$ to finish the job. How many days will they take to finish the job, if they start working together?

Question 10:

Ram bought a bike at $20 \%$ discount on MRP. After one year Ram sold the bike to Ramesh at $10 \%$ loss. After one more year Ramesh sold the bike at $20 \%$ profit to Ranjan. If Ranjan paid Rs. $1,29,600$, then find the MRP of the bike.