UP POLICE CONSTABLE RATIO AND PROPORTION QUANT QUIZ-6

If $(2 a+3 b):(2 a+6 b)=3: 5$ then $(a-b):(a+b)$ is equal to:

What is the fourth proportional to 15,12 and 20 .

Rs. 9600 is divided in the ratio $9: 7$. What is the value of the larger amount?

If $\frac{a}{3}=\frac{b}{7}=\frac{c}{5}$ then, find the value of $a^{2}+b^{2}-c^{2}$

Seven years ago, the ratio of the ages of A and B was 5: 4. Eight years hence, the ratio of the ages of A and B will be 10 : 9. What is the sum of their present ages?

There is ratio of 5:4 between two numbers. If 40 percent of the first is 12 , then 50% of the second number is:

If $11 \mathrm{~A}=13 \mathrm{~B}=17 \mathrm{C}$ then the ratio of $A: B: C$ is:

The monthly incomes of Amit and Bandana are in the ratio $4: 5$, their expenses are in the ratio 5: 6. If ' Amit ' saves Rs. 25 per month and ' Bandana ' saves Rs.50 per month, what are their respective incomes?

What is the value of $x$ if, $\frac{10}{3}: x:: \frac{5}{2}: \frac{5}{4} ?$

If $(10 x+3 y):(5 x+2 y)=9: 5$, then $(2 x+y):(x+2 y)=?$