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Staff Selection Commission Combined Higher Secondary Level Exam

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Question : The tower is 50 metres high, its shadow is $x$ metres shorter when the sun's elevation is $45°$ than when it is $30°$. The value of $x$ (in metres) is:

Option 1: $50\sqrt{3}$

Option 2: $50\left ({\sqrt3-1} \right)$

Option 3: $50\left ({\sqrt3+1} \right)$

Option 4: $50$

Team Careers360 25th Jan, 2024

Correct Answer: $50\left ({\sqrt3-1} \right)$


Solution :
Let the height of the tower be $BC$, the shadow of the tower when the sun’s altitude is 30° be $AB$ and the shadow of the tower when the sun’s elevation is 45° be $DB$.
Given: $BC$ = 50 m
And $AB -

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Question : In the following question, out of the given four alternatives, select the one that best expresses the meaning of the idiom or phrase.
Once in a blue moon

Option 1: Once in a day

Option 2: Frequently

Option 3: Rarely

Option 4: Once a week

Team Careers360 24th Jan, 2024

Correct Answer: Rarely


Solution : The correct answer is the third option.

Once in a blue moon: This idiom is used to describe something that happens very rarely or infrequently.

The meanings of the other options are as follows:

Once in a day: This option suggests a daily occurrence, which

18 Views

Question : What is the expansion of ($x$ + 11)($x$ – 11)?

Option 1: $x$2 + 11

Option 2: $x$2 – 121

Option 3: $x$2 + 121

Option 4: $x$2 – 11

Team Careers360 25th Jan, 2024

Correct Answer: $x$2 – 121


Solution : ($x$ + 11)($x$ – 11)
= $x$2 – (11)2 
= $x$2 – 121
Hence, the correct answer is $x$2 – 121.

41 Views

Question : The average of 15 numbers is 53. A number is removed and the average of 14 numbers now becomes 55. Which number was removed?

Option 1: 26

Option 2: 23

Option 3: 25

Option 4: 24

Team Careers360 24th Jan, 2024

Correct Answer: 25


Solution : The sum of the original 15 numbers = 15 × 53 = 795
After removing one number, the sum of the remaining 14 numbers = 14 × 55 = 770
The number that was removed = 795 – 770 = 25
Hence, the correct answer

164 Views

Question : Directions: Find out the correct alternative that when filled in the blanks in the same sequence will make the series logically complete.
W_KY_ENCYG_GZIT_ _KWO

Option 1: BXQGA

Option 2: CXQKA

Option 3: AYQGB

Option 4: DXRKA

Team Careers360 24th Jan, 2024

Correct Answer: CXQKA


Solution : Given:
W_KY_ENCYG_GZIT_ _KWO

To fill the series we have to divide the series – W_KY / _ENC / YG_G / ZIT_ / _KWO
Let's check each option –
First option:
BXQGA; WBKY / XENC / YGQG / ZITG

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Question : Globalisation means

Option 1: Integration of economy

Option 2: Integration of financial market 

Option 3: Integration of the domestic economy with the world economy

Option 4: integration of the various sector of the economy 

Team Careers360 24th Jan, 2024

Correct Answer: Integration of the domestic economy with the world economy


Solution : The correct option is integration of the domestic economy with the world economy.

The process of integrating a nation's economy with the global economy through trade, investment, technology transfer, and the flow of information is referred to

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Question : Select the most appropriate synonym for the underlined word in the following sentence.
She's so benevolent that she can't even harm a fly, let alone hurting someone.

Option 1: gloomy

Option 2: unfortunate

Option 3: grudging

Option 4: compassionate

Team Careers360 25th Jan, 2024

Correct Answer: compassionate


Solution : The correct option is the fourth option.

Explanation:
Benevolent refers to a kind and generous disposition, often marked by a desire to do good and show goodwill towards others. Similarly, compassionate describes someone who feels and shows sympathy, concern, and kindness towards others' suffering or

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