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Staff Selection Commission Multi Tasking Staff Exam

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Question : In a college, the ratio of the number of boys to girls is 3 : 8. If there are 180 boys, then how many girls are in the college?

Option 1: 380

Option 2: 480

Option 3: 660

Option 4: 420

Team Careers360 24th Jan, 2024

Correct Answer: 480


Solution : Given: Total boys = 180
The ratio of the number of boys to girls is 3 : 8
Let the number of boys and girls be $3x$ and $8x$.
According to the question,
$3x=180$
⇒ $x=60$
$\therefore$ Total girls $=8x=8\times60=480$
Hence, the correct answer is

18 Views

Question : What is the value of $\left(\frac{21}{46} \div \frac{1}{6}\right)$ of $\frac{23}{42}+\frac{96}{576} \times \frac{24}{3}-\left(\frac{88}{56} \times \frac{7}{9} \div \frac{5}{36}\right)$ ?

Option 1: $\frac{-163}{28}$

Option 2: $\frac{-179}{30}$

Option 3: $\frac{11}{2}$

Option 4: $\frac{5}{2}$

Team Careers360 13th Jan, 2024

Correct Answer: $\frac{-179}{30}$


Solution : According to the question
⇒ $\left(\frac{21}{46} \div \frac{1}{6}\right)$ of $\frac{23}{42}+\frac{96}{576} \times \frac{24}{3}-\left(\frac{88}{56} \times \frac{7}{9} \div \frac{5}{36}\right)$ 
= $\left(\frac{126}{46}\right)$ of $\frac{23}{42}+\frac{96}{576} \times \frac{24}{3}-\left(\frac{88}{56} \times (\frac{7}{9}\times \frac{36}{5})\right)$ 
= $\left(\frac{63}{23}\right)$ of $\frac{23}{42}+\frac{96}{576} \times \frac{24}{3}-\left(\frac{88}{56} \times \frac{28}{5}\right)$
= $\left(\frac{3}{2}\right)$$+\frac{4}{3} - \left(\frac{44}{5} \right)$
= $\left(\frac{17}{6}\right)$$ - \left(\frac{44}{5} \right)$
= $\frac{85-264}{30}$

41 Views

Question : The price of a mobile is Rs. 30,000. The value of the mobile depreciates by 12% at the end of the first year and at the end of next year, it depreciates by 15%. What will be the value of the mobile after 2 years?

Option 1: Rs. 25,255

Option 2: Rs. 22,440

Option 3: Rs. 20,000

Option 4: Rs. 25,000

Team Careers360 13th Jan, 2024

Correct Answer: Rs. 22,440


Solution : The price of a mobile is Rs. 30,000.
The value of the mobile depreciates by 12% at the end of the first year.
Price of the mobile after 1 year = $\frac{88}{100}×30000=26400$
The value of the mobile depreciates by 15% at the end of

6 Views

Question : The longest National Highway is NH 44, which runs from Jammu and Kashmir to___________.

Option 1: Telangana

Option 2: Andhra Pradesh

Option 3: Tamil Nadu

Option 4: Karnataka

Team Careers360 18th Jan, 2024

Correct Answer: Tamil Nadu


Solution : The correct option is Tamil Nadu.

The longest national highway in India, NH 44, connects Kanyakumari in Tamil Nadu with Srinagar in Jammu and Kashmir. It is a vital transportation route in India because it connects the country's southernmost point to its northernmost

11 Views

Question : The western cyclonic disturbances in India are brought in by the westerly flow from which region?

Option 1: South-American region

Option 2: Mediterranean region

Option 3: Eastern European region

Option 4: South-African region

Team Careers360 17th Jan, 2024

Correct Answer: Mediterranean region


Solution : The correct option is the Mediterranean region.

The westerly flow from the Mediterranean region brings Western cyclonic disturbances to India. These disturbances are associated with the extra-tropical westerly jet stream extending from the Mediterranean region to the Indian subcontinent. During the winter months,

284 Views

Question : Directions: In the following question, select the missing number of the given series.
10, 9, 17, –10, 54, ?

Option 1: –71

Option 2: –82

Option 3: –67

Option 4: –103

Team Careers360 20th Jan, 2024

Correct Answer: –71


Solution : Given:
10, 9, 17, –10, 54, ?

The pattern is as follows –
10 – (1)3 = 10 – 1 = 9
9 + (2)3 = 9 + 8 = 17
17 – (3)3 = 17 – 27 = –10 
–10 +

11 Views

Question : The sum of the lengths of the radius and the diameter of a circle is 84 cm. What is the difference between the lengths of the circumference and the radius of this circle? [Use $\pi=\frac{22}{7}$]

Option 1: 156 cm

Option 2: 172 cm

Option 3: 148 cm

Option 4: 128 cm

Team Careers360 15th Jan, 2024

Correct Answer: 148 cm


Solution : Given: The sum of the lengths of the radius and the diameter of a circle is 84 cm.
Use the formula,
The diameter of the circle = $2r$,
The circumference of the circle = $2\pi r$,
where $r$ is the radius.
According to the

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