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Staff Selection Commission Multi Tasking Staff Exam

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Question : At present, the number of trees in a village is 52,020. It increases annually at the rate of 2%. What was the number of trees in the village two years ago?

Option 1: 45,000

Option 2: 51,250

Option 3: 50,000

Option 4: 48,000

Team Careers360 22nd Jan, 2024

Correct Answer: 50,000


Solution : Given,
The present number of trees in a village = 52,020
Annual Increase percentage = 2%
Let the number of trees two years ago be $x$.
⇒ Number of trees one years ago after increase $=x+\frac{2}{100}×x= x+\frac{x}{50}$
One years ago number of trees $=\frac{51x}{50}$
So,

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Question : Directions: Select the option figure in which the given figure (X) is embedded as its part (rotation is NOT allowed).

Option 1:

Option 2:

Option 3:

Option 4:

Team Careers360 16th Jan, 2024

Correct Answer:


Solution : Since the rotation is restricted, the embedded figure will have the same orientation as the main figure. By comparison of all the option figures, the given question figure is embedded only in the second option figure.

Hence, the second option is correct.

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Question : Two cubes of iron whose edges are 7 cm and 11 cm are melted and formed into a single cube. Find the volume of the new cube formed.

Option 1: 1881 cm3

Option 2: 1674 cm3

Option 3: 1444 cm3

Option 4: 1221 cm3

Team Careers360 23rd Jan, 2024

Correct Answer: 1674 cm3


Solution : The volume of a cube = (Side)3
The volume of the first cube = 73 = 343 cm3 
The volume of the second cube = 113 = 1331 cm3 
When the two cubes are melted and formed into

7 Views

Question : Which of the following atmospheric gases constitute greenhouse gases?

a. Carbon dioxide

b. Nitrogen

c. Nitrous oxide

d. Water vapour

Select the correct answer using the codes given below:

Option 1: a, c and d

Option 2: a and d

Option 3: a and c

Option 4: a, b and d

Team Careers360 22nd Jan, 2024

Correct Answer: a, c and d


Solution : The correct answer is a, c and d.

Earth's atmosphere is transparent to incoming short-wave solar radiation and opaque to long-wave terrestrial radiation. These terrestrial radiations are trapped by the greenhouse gases leading to an increase in the temperature of the earth.

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Question : Assam and most of the peninsular states have _____ population densities.

Option 1: high to very high

Option 2: very low

Option 3: moderate

Option 4: moderate to high

Team Careers360 23rd Jan, 2024

Correct Answer: moderate


Solution : The correct answer is moderate.

Assam and many peninsular states exhibit moderate population densities due to their hilly, dissected, and rocky terrains. The geographical characteristics, including moderate to low rainfall and shallow, less fertile soils, play a significant role in influencing population distribution in

21 Views

Question : Improve the underlined part of the sentence. Choose ‘No improvement’ as an answer if the sentence is grammatically correct.

He started a newly jobs on Tuesday.

Option 1: No improvement

Option 2: a new job

Option 3: a new jobs

Option 4: an new job

Team Careers360 18th Jan, 2024

Correct Answer: a new job


Solution : The correct choice is the second option.

Newly should be replaced with new, as the adjective is the correct usage in place of the adverb because adjectives are used to describe nouns, making it the correct choice in this context. Also,

11 Views

Question : Directions: Select the option that is related to the fifth term in the same way as the second term is related to the first term and the fourth term is related to the third term.
ABC2 : ZYX7 :: PQR21 : KJI26 :: MNO11 : ?

Option 1: NML16

Option 2: KLM14

Option 3: NLM14

Option 4: MKL16

Team Careers360 24th Jan, 2024

Correct Answer: NML16


Solution : Given:
ABC2 : ZYX7 :: PQR21 : KJI26 :: MNO11 : ?

Like, ABC2 : ZYX7 –

PQR21 : KJI26 –

Similarly, for MNO11 : ? –

So, MNO11 is related to NML16. Hence, the first option is correct.

7 Views

Question : Which one of the following is the respiratory pigment in man?

Option 1: Haemocyanin

Option 2: Hemerythrin

Option 3: B-Carotene

Option 4: Haemoglobin

Team Careers360 14th Jan, 2024

Correct Answer: Haemoglobin


Solution : The correct answer is Haemoglobin.

Haemoglobin is the red-coloured pigment present in human red blood cells. It is an iron-containing oxygen transport protein which aids in respiration and carries oxygen to various body organs. Haemoglobin has four binding sites for the oxygen molecules. The normal

6 Views

Question : Directions: Which of the following diagrams represents the relationship among Fruits, Mango and Banana?

Option 1:

Option 2:

Option 3:

Option 4:

Team Careers360 24th Jan, 2024

Correct Answer:


Solution : We know that both mango and banana are fruits. So, their circles will lie inside that of fruits. But, mango and banana are not related to each other. So, their circles will not have a common area.
The Venn diagram will be –

Hence, the second

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