SSC GD CONSTABLE MATHS QUIZ

Question 1:

The fourth proportional to 4,8,15 is:

35

40

30

25

Question 2:

Find the HCF of $\frac{4}{25}, \frac{8}{35}$ and $\frac{22}{40}$ ?

$\frac{1}{700}$

$\frac{5}{1400}$

$\frac{3}{1400}$

$\frac{1}{2800}$

Question 3:

If the LCM of four distinct numbers is 270 and the HCF of each pair is 9 , then what is the product of the four numbers?

270

196830

200605

2430

Question 4:

Find the volume of a cone the radius of whose base is $18 \mathrm{~cm}$ and its height is $35 \mathrm{~cm} .\left(\right.$ Take $\left.\pi=\frac{22}{7}\right)$

$35460 \mathrm{~cm}^3$

$10880 \mathrm{~cm}^3$

$35880 \mathrm{~cm}^3$

$11880 \mathrm{~cm}^3$

Question 5:

If 40 % of a number is added to 165 , then the result will be the number itself. Find that number.

225

250

284

275

Question 6:

A sum of ₹ 8,052 is divided among W, X, Y and Z such that W: X=X: Y=Y: Z=5: 6. What is the sum of the shares of X and Y ?

₹ 3,960

₹ 2,160

₹ 1,800

₹ 1,200

Question 7:

A 320 m long train crosses a platform thrice its length in 90 seconds. What is the speed (in km/h) of the train ?

48

54

50.4

51.2

Question 8:

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 9:

The value of $25-4$ of $(14.4 \div 9)+16 \times 0.4$ is :

5

0

25

20

Question 10:

In 2021 , a cricket team wants to win 80 % of the matches out of 225 matches. Out of 120 matches already played, the success rate is 70 %. What should be the success rate for the remaining matches in order to reach the target ?

$89 \frac{5}{7} \%$

$86 \%$

$90 \%$

$91 \frac{3}{7} \%$