SSC CGL MATHS QUIZ

Question 1:

The initial ratio of sugar and flour in a food item was $17: 28$. Elizabeth added so much flour to this $27 \mathrm{~kg}$ food that the ratio of sugar and flour becomes $2: 5$. How much flour did Elizabeth add later?

$8.7 \mathrm{~kg}$

$8.5 \mathrm{~kg}$

$8.3 \mathrm{~kg}$

$8.1 \mathrm{~kg}$

Question 2:

In an alloy of German silver, the ratio of copper to zinc was $21: 16$ while that of nickel to zinc was $7: 24$ What was the ratio of copper to zinc to nickel in the alloy?

$48: 21: 14$

$17: 21: 4$

$63: 48: 14$

$68: 28: 21$

Question 3:

Concrete consists of 3 parts of lime, 7 parts of gravel and 6 parts of sand. Out of 800 kg of concrete, how much (in kg) is gravel?

150

320

300

350

Question 4:

The ratio of two numbers is 3: 8. On adding 8 to both the numbers, the ratio becomes 2: 5. What is the sum of the numbers?

288

264

240

120

Question 5:

If $(a+b):(b+c):(c+a)=8: 7: 5$ and $a+b+c=60$ is, then $a: b: c$ what will happen?

$5: 7: 8$

$3: 5: 2$

$5: 6: 7$

$4: 5: 6$

Question 6:

When $x$ is subtracted from each of the numbers $22,39,56$ and $107$, then the resulting numbers, in this order, are in proportion. What is the mean proportional between $(x+3)$ and $(3 x-7)$ ?

8

12

14

10

Question 7:

Find the unknown value of ' $x$ ' in the proportion $(5x+1) :3=(x+3) :7$.

1/8

1/14

1/17

1/16

Question 8:

The salaries of Ravi and Sumit are in the ratio 4: 5. If the salary of each is increased by ₹ 6,000 the new ratio becomes 35: 40. What will be Sumit's increased salary?

₹ 26,000

₹ 36,000

₹ 16,000

₹ 1,60,000

Question 9:

A certain sum is distributed among A, B, C and D in the ratio 3 : 4 : 8 :6 respectively. If the share of C is ₹ 2,820, more than that of B, then what is the sum of shares of A and D?

₹ 5,460

₹ 5,640

₹ 3,564

₹ 6,345

Question 10:

The third proportional of 12 and 18 is:

3

27

6

144