SSC CPO QUANT (RATIO AND PROPORTION) QUIZ

Question 1:

If $A: B=4: 5, C: B=9: 7$, then, $A+C: B+$ $\mathrm{C}: \mathrm{B}-\mathrm{A}=?$

$71: 80: 9$

$73: 80: 7$

$63: 80: 11$

$63: 80: 10$

Question 2:

If $4 \mathrm{~A}=7 \mathrm{~B}=6 \mathrm{C}$, then $\mathrm{A}+\mathrm{B}+\mathrm{C}: \mathrm{B}+\mathrm{C}-\mathrm{A}=$ ?

$43: 9$

$37: 11$

$37: 7$

$47: 5$

Question 3:

If $x$ is added to each of the numbers 31,82 , 19 and 53 the resulting numbers are in proportion. What is the mean proportion of $(x+$ 4) and $(x-1)$

8

12

6

18

Question 4:

Rs. 99356 is to be distributed among A, B and $C$ in the ratio $\frac{1}{8}: \frac{1}{5}: \frac{1}{6} .$ Share of $A$ and C taken together exceeds the share of B by (in rupees):

16764

17254

18244

18524

Question 5:

If $5 \mathrm{~A}=8 \mathrm{~B}=9 \mathrm{C}$, then $\mathrm{A}: \mathrm{C}: \mathrm{B}=$ ?

$72: 45: 40$

$40: 72: 45$

$72: 40: 45$

$24: 15: 12$

Question 6:

Shankar's marks in two subjects, History and polity are in the ratio $13: 17$. If he got 35 marks more in Polity than in History, what is his total marks in both the subject?

$252.5$

$256.5$

$262.5$

$264.5$

Question 7:

If $\frac{3}{5} p=\frac{7}{2} \mathrm{Q}=\frac{7}{5} \mathrm{R}$, then what is the ratio of $\mathrm{P}, \mathrm{Q}$ and $\mathrm{R}$ respectively?

$3: 2: 5$

$35: 6: 15$

$3: 35: 14$

$5: 7: 5$

Question 8:

If $a=2 b=8 c$ and $a+b+c=3$ then the value of $\frac{\sqrt{a^{2}+b^{2}+c^{2}}}{2 c}$ is :

$-\frac{5}{6}$

$\frac{9}{2}$

$\frac{2}{9}$

$\frac{6}{5}$

Question 9:

The sum of three numbers is 136 . If the ratio between first and second is $2: 3$ and that between second and third is 5:3. Find the second number?

40

48

60

72

Question 10:

The ratio of present age of Ram and Shivam is $7: 9$ if 12 years ago, the ratio of their ages Was $5: 7$. Then find the ratio of their 10 Years from now?

$\frac{11}{15}$

$\frac{15}{17}$

$\frac{13}{16}$

$\frac{19}{17}$