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Staff Selection Commission Combined Higher Secondary Level Exam

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Question : If four-fifths of five-sixths of one-eighth of a certain number is 4365, what is 65% of the number?

Option 1: 36,375

Option 2: 53,280

Option 3: 34,047

Option 4: 52,380

Team Careers360 25th Jan, 2024

Correct Answer: 34,047


Solution : Let the number be $n$.
According to the question,
$\frac{4}{5} \times \frac{5}{6} \times \frac{1}{8} \times n = 4365$
$⇒\frac{1}{12} \times n = 4365$
$⇒n = 4365 \times 12 = 52380$
Now, 65% of $n = \frac{65}{100} \times 52380 = 34047$
Hence, the correct answer is

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Question : The gas that causes suffocation and death when coal or coke is burnt in a closed room is

Option 1: Methane

Option 2: Ethane

Option 3: Carbon Monoxide

Option 4: Carbon Dioxide

Team Careers360 24th Jan, 2024

Correct Answer: Carbon Monoxide


Solution : The correct option is Carbon Monoxide.

Carbon Monoxide (CO) is the gas that can result from burning coal, or coke in a closed space. Colourless and odourless, carbon monoxide is created when fuels containing carbon, like coal or coke, burn incompletely. A buildup

11 Views

Question : Directions: Out of the given letter clusters, three are similar in a certain manner. However, one option is NOT like the other three. Select the option which is different from the rest.

Option 1: EIO

Option 2: IOU

Option 3: EID

Option 4: AEI

Team Careers360 24th Jan, 2024

Correct Answer: EID


Solution : Let's check the options –

First option: EIO→E, I, O; all are vowels
Second option: IOU→I, O; U all are vowels
Third option: EID→E, I, D; here D is not a vowel
Fourth option: AEI→A, E, I; all are vowels

So, the third option is

17 Views

Question :

Which of the following amphibians lacks tongue?

Option 1:

Sphenodon

Option 2:

Salamander

Option 3: Ichthyophis

 

Option 4: Necturus

Team Careers360 23rd Jan, 2024

Correct Answer: Ichthyophis

 


Solution : The correct option is - Ichthyophis

Tongue is absent in Ichthyophis. The limbless amphibian is frequently referred to as the Asian caecilians. The western Indo-Australian Archipelago, the Philippines, and Southeast Asia are all places where you ichthyophis can be found.

20 Views

Question : In triangle ABC, $\angle$ABC = 15°. D is a point on BC such that AD = BD. What is the measure of $\angle$ADC (in degrees)?

Option 1: 15

Option 2: 30

Option 3: 45

Option 4: 60

Team Careers360 25th Jan, 2024

Correct Answer: 30


Solution : Given: In triangle ABC, $\angle$ABC = 15°.
D is a point on BC such that AD = BD.

Given that AD = BD. Then, $\angle$ABD = $\angle$BAD = 15°
Now, in $\triangle$ABD
⇒ $\angle$ABD + $\angle$BAD + $\angle$ADB = 180°
⇒ $\angle$ADB = 180° –

86 Views

Question : The average of 100 observations was calculated as 35. It was found later, that one of the observations was misread as 83 instead of 53. The correct average is:

Option 1: 32.7

Option 2: 34.7

Option 3: 35.7

Option 4: 36.7

Team Careers360 25th Jan, 2024

Correct Answer: 34.7


Solution : Given: The average of the 100 observations = 35
So, the sum of 100 observations = 100 × 35 = 3500
The correct value is 53 and the incorrect value is 83.
Difference = 83 – 53 = 30
So, the correct average = $\frac{3500–30}{100}$

17 Views

Question : Directions: Words given on the left side of (::) are related to each other by some Logic/Rule/Relation. Select the missing word/word pair on the right side of (::) from the given alternatives based on the same Logic/Rule/Relation.
Ottawa : Canada :: ?

Option 1: Nairobi : Kenya

Option 2: Russia : Moscow

Option 3: Greece : Athens

Option 4: Spain : Madrid

Team Careers360 23rd Jan, 2024

Correct Answer: Nairobi : Kenya


Solution : Given:
Ottawa : Canada :: ? (Ottawa is the capital city of Canada.)

Let's check the given options –
First option: Nairobi : Kenya; Nairobi is the capital city of Kenya.
Second option: Russia : Moscow; Moscow is the capital city of Russia,

12 Views

Question : What is the Earth's escape velocity?

Option 1: 2.8 km/s

Option 2: 5.6 km/s

Option 3: 11.2 km/s

Option 4: 14 km/s

Team Careers360 24th Jan, 2024

Correct Answer: 11.2 km/s


Solution : The correct option is 11.2 km/s.

The term "escape velocity" refers to the velocity at which a moving object, such as a rocket, must be travelling to leave the gravitational field of a celestial body, such as the Earth, and travel into space.

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