DELHI POLICE MATHS QUIZ

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Question 1:

A sum of Rs. 1121 was distributed among $  A, \mathrm{B}$ and $\mathrm{C}$. In the ratio $5: 6: 8$, by mistake, in place of $\frac{1}{5}: \frac{1}{6}: \frac{1}{8}$, who was benefited the most and by how much?

Question 2:

If $(9-3 x)-(17 x-10)=-1$ then the value of $x$ is:

Question 3:

Three containers contain mixture of milk and water in the ratio $5:3,2: 1$ and $7: 5$, respectively, The measurement of containers are in the ratio $4 : 5 : 6$ Mixture of all the containers are mixed to get a new mixture. Find the ratio of water and milk in the new mixture?

Question 4:

The ratio of marks obtained by Vinod and Basu is $6: 5$. If the combined average of their percentage is $68.75$ and their sum of the marks is 275 , find the total marks for which exam was conducted.

Question 5:

If $8, x$ and 50 are in continued proportion then the value of $x$ is:

Question 6:

Two numbers are 40% and 60% more than the third number respectively. What is the ratio of the first number and the second number?

Question 7:

The monthly income of $\mathrm{A}$ and $\mathrm{B}$ are in the ratio $2: 3$ respectively. The spend in the ratio 3 : 4 and saves in the ratio $7: 13$. If the total monthly savings of both $A$ and $B$ taken together is Rs. 10,000, then what is the montly expenditure of B (in Rupees)?

Question 8:

The salary of Vishal, Usha and Abhishek are in the ratio $4: 8: 7$. If difference the salary of Vishal and Abhishek is Rs. 1320. What is the salary of Usha?

Question 9:

A bag contains ₹ 5 and ₹ 10 coins for a total of 40 coins and a total amount of ₹ 310. What is the difference between the amount made up of all ₹ 10 coins and the amount made up of all ₹ 5 coins?

Question 10:

A sum of Rs. 300 is divided among $\mathrm{P}, \mathrm{Q}$ and $\mathrm{R}$ in such a way that Q gets Rs. 30 more than $P$ and R gets Rs. 60 more than $Q .$ The ratio of their share is: