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Staff Selection Commission Sub Inspector Exam

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Question : In the Canada Deuterium Uranium (CANDU) reactor, a natural uranium-fuelled reactor, the function of moderator and coolant is performed by:

Option 1: Light water

Option 2: Carbon dioxide

Option 3: Heavy water

Option 4: Sodium

Team Careers360 5th Jan, 2024

Correct Answer: Heavy water


Solution : The correct answer is Heavy water.

The function of moderator and coolant is performed by heavy water in the Canada Deuterium Uranium (CANDU) reactor, a natural uranium-fuelled reactor. CANDU reactors produce electricity through a process known as fission. The main function of the moderator

222 Views

Question : A man spends 65% of his income. His income increases by 20% and his expenditure also increases by 10%. The percentage of increase in his savings is ________.

Option 1: 38.5%

Option 2: 35.8%

Option 3: 10%

Option 4: 20%

Team Careers360 25th Jan, 2024

Correct Answer: 38.5%


Solution : Let the income of the man be 100
His expenditure is 65% of his income = 65
Savings = income – expenditure = 100 – 65 = 35
When income increased by 20% = 120
Expenditure increases by 10% = $65\times\frac{110}{100}=71.5$
New savings = 120

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Question : Directions: If MZQBL is decoded as NYUWO, then decode OJXMT.

Option 1: XJAGO

Option 2: PIAGQ

Option 3: QJBHS

Option 4: VJBGQ

Team Careers360 18th Jan, 2024

Correct Answer: VJBGQ


Solution : Given: 
MZQBL is decoded as NYUWO.

Reversing the letters of the word MZQBL, then add 2, subtract 3, add 4, subtract 3 and add 2 in place value of the first, second, third, fourth and fifth letters of resultant letters respectively, to get the required

111 Views

Question : The given pie chart shows the percentage of students who speak different languages in a hostel. The total number of students in the hostel is 120.

What is the ratio of students who speak English and Bhojpuri to those who speak Tamil?

Option 1: 10 : 3

Option 2: 1 : 1

Option 3: 20 : 3

Option 4: 5 : 1

Team Careers360 24th Jan, 2024

Correct Answer: 5 : 1


Solution : Total number of students in the hostel is 120.
Students who speak English = 120 × $\frac{15}{100}$ = 18
Students who speak Bhojpuri = 120 × $\frac{10}{100}$ = 12
Students who speak Tamil = 120 × $\frac{5}{100}$ = 6
$\therefore$ Required ratio =

3 Views

Question : Directions: In the following question, from the given answer figures, select the one in which the question figure is hidden/embedded.

Option 1:

Option 2:

Option 3:

Option 4:

Team Careers360 3rd Jan, 2024

Correct Answer:


Solution : Because there is no restriction on the rotation of the figure, we will check all the possible orientations of the question figure in which of the given option figures it can fit itself. By comparison of all option figures, the question figure is embedded only in

11 Views

Question : If $\operatorname{cos} \theta+\operatorname{sin} \theta=\sqrt{2} \operatorname{cos} \theta$, find the value of $(\cos \theta-\operatorname{sin} \theta)$

Option 1: $\sqrt{2} \sin \theta$

Option 2: $\sqrt{2} \cos \theta$

Option 3: $\frac{1}{\sqrt{2}} \sin \theta$

Option 4: $\frac{1}{2}\cos \theta$

Team Careers360 13th Jan, 2024

Correct Answer: $\sqrt{2} \sin \theta$


Solution : Given: $\cos \theta + \sin \theta = \sqrt{2} \cos \theta$
Squaring both sides, we get:
⇒ $\cos^2 \theta + \sin^2 \theta + 2\sin \theta \cos \theta = 2\cos^2 \theta$
⇒ $\cos^2 \theta - \sin^2 \theta = 2\cos \theta \sin \theta$
⇒$(\cos \theta +

13 Views

Question : In which province of Pakistan is the site of the ancient civilisation of Mohenjo-daro located?

Option 1: Balochistan

Option 2: Sindh

Option 3: Khyber Pakhtunkhwa

Option 4: Punjab

Team Careers360 18th Jan, 2024

Correct Answer: Sindh


Solution : The correct option is Sindh

The ancient civilization of Mohenjo-daro is located in the Sindh province of Pakistan. Mohenjo-daro, along with Harappa, is one of the major sites of the Indus Valley Civilization, one of the world's oldest urban cultures. Mohenjo-daro showcases advanced urban planning

126 Views

Question : Select the most appropriate ANTONYM of the given word.

Placid

Option 1: Turbulent

Option 2: Pensive

Option 3: Pristine

Option 4: Destined

Team Careers360 10th Jan, 2024

Correct Answer: Turbulent


Solution : The correct choice is the first option.

The antonym for placid is turbulent. Placid describes a calm and peaceful state, while turbulent characterises a state of conflict, disorder, or agitation.
The meanings of the other options are as follows:

  • Pensive means engaged in deep
10 Views

Question : Who among the following attacked the Somnath Temple?

Option 1: Mahmud of Ghazni

Option 2: Muhammad Ghori

Option 3: IItutmish

Option 4: Qutubuddin Aibak

Team Careers360 17th Jan, 2024

Correct Answer: Mahmud of Ghazni


Solution : The correct option is - Mahmud of Ghazni

Mahmud of Ghazni is the son of the king of Ghazni. He came to India to plunder the wealthy temples. He raided the Northwestern part of India 17 times. His 16th raid was the

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