DELHI POLICE MATHS QUIZ-47

Which of the following is the largest fraction?$\frac{6}{11}, \frac{13}{18}, \frac{15}{22}, \frac{19}{36}, \frac{25}{33}$

P started a business with Rs. 80000 and after some months Q joined with Rs. 60000 . If the profit at the end of the year was divided in the ratio $2: 1$, then after how many months did $Q$ joined the business?

A person spent $65 \%$ of the income on purchasing items $\mathrm{A}$ and $\mathrm{B}$ and the rest of the amount is his savings. He spent ₹ 1,800 on purchasing item $A$ and ₹ 3,270 on purchasing item $B$. The savings amount (in ₹ ) was:

A shopkeeper makes a profit of $8\%$ by selling the article giving two successive discounts of $10\%$ and $20\%$ on the marked price of an article. The marked price of the article is what percent more than its cost price?

A train covers 400 km at a uniform speed. If the speed had been 10 km/h more , it would have taken 2 hours less for the same journey. What is the speed of the train (in km/h )?

The value of $\frac{5.75+\frac{5}{7} \text { of } 28-4.5}{\frac{3}{4} \text { of }(15.8-3.4)+5 \times 2.39}$ is:

If $x \%$ of 240 is equal to $60 \%$ of $(x+450)$, then $20 \%$ of $(x+50)$ is what percentage less than $40 \%$ of $x$ ?

A person spends 22% of the monthly income on house rent, 40% of the income on house expenses and groceries, and 50% of the remaining on children's education and other heads. If the monthly savings are Rs. 3,800, then what is the expenditure (in Rs) on education and other heads?

The price of an article is marked 20% above its cost price. If the shopkeeper makes a profit of $8 \%$ even after giving discount $\mathrm{x} \%$, then find the value of $x$.

Let $x$ be the least number of 4 -digits which when divided by $12,15,20$ and 27 leaves, in each case, a remainder $7 .$ What is the sum of the digits of $x$ ?