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Staff Selection Commission Sub Inspector Exam

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Question : Comprehension:
In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

All elephants (1) ______ several distinctive features, the most notable of which is a long trunk or proboscis, used for many (2) _______, particularly breathing, lifting water, and grasping objects. Their incisors grow (3) _______ tusks, which can serve as weapons and as tools for moving objects and digging. Elephants' large ear flaps help to control their body temperature. Their pillar-like legs (4) _______ carry their great weight. African elephants have larger ears and concave backs, while Asian elephants have smaller ears and convex or level backs. One of the biggest threats to elephant populations is the ivory trade, as the animals are poached for their ivory tusks. Other threats to (5) ________ elephants include habitat destruction and conflicts with local people. Elephants are used as working animals in Asia. In the past, they were used in war; today, they are often put on display in zoos and circuses.

Select the most appropriate option to fill in the blank number 3.

Option 1: for

Option 2: too

Option 3: into

Option 4: towards

Team Careers360 24th Jan, 2024

Correct Answer: into


Solution : The third option is correct.

The sentence is describing how the incisors grow, forming tusks that can serve as weapons and tools. The preposition (into) is used here to indicate the transformation or development of incisors into tusks.

The meanings of the other options are

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Question : A 9 cm solid metallic cube and a solid metallic cuboid having dimensions 5 cm, 13 cm, and 31 cm are melted and recast into a single cube, What is the total surface area (in cm2) of the new cube?

Option 1: 865

Option 2: 1176

Option 3: 1362

Option 4: 2744

Team Careers360 24th Jan, 2024

Correct Answer: 1176


Solution : Given: Side of cube = 9 cm
Cuboid length = 5 cm 
Breadth = 13 cm
Height = 31 cm
Volume of cube = $\text{side}^3$ = $9^3$ = 729 cm3
Volume of cuboid = length × breadth × height = 5 × 13 ×

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Question : The following pie chart shows the number of students who failed in different subjects in an examination. Examine the chart and answer the following question. The total number of students who have failed is 350.

The number of students who failed in mathematics is less than the number of students who failed in all other subjects by:

Option 1: 190

Option 2: 256

Option 3: 95

Option 4: 161

Team Careers360 25th Jan, 2024

Correct Answer: 161


Solution : Given: Total students = 350
Students who failed in mathematics = 27%
= $\frac{27}{100}\times350$
= 94.5
Remaining students who failed in other subjects = 350 – failed in mathematics
= 350 – 94.5
= 255.5
The difference between failing in other subjects and failing in

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Question : Directions: If GOPAL is coded as MIVUR, then how will RADHA be coded as ______.

Option 1: XVJBG

Option 2: XUJBG

Option 3: XTJBG

Option 4: XUJCG

Team Careers360 24th Jan, 2024

Correct Answer: XUJBG


Solution : Given:
GOPAL is coded as MIVUR –

Add 6 and subtract 6 alternatively from the place value of each letter of the word GOPAL to obtain the required code –
G + 6 = M; O – 6 = I; P + 6 = V;

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Question : A, B and C can do a piece of work in 11 days, 20 days and 55 days respectively. How soon can the work be done if A works with B on the first day, A works with C on the second day and so on?

Option 1: $8 \frac{1}{2}$ days

Option 2: $9\frac{1}{2}$ days

Option 3: 8 days

Option 4: 9 days

Team Careers360 25th Jan, 2024

Correct Answer: 8 days


Solution : Total work = LCM (11, 20 and 55) = 220 units
Efficiency of A = $\frac{220}{11}$ = 20 units/day
Efficiency of B = $\frac{220}{20}$ = 11 units/day
Efficiency of C = $\frac{220}{55}$ = 4 units/day
Combined work of A and B = 20 +

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Question : The mean of $x$ and $\frac{1}{x}$ is $N$. Then the mean of $x^2$ and $\frac{1}{x^2}$ is:

Option 1: $N^2$

Option 2: $2N^2-1$

Option 3: $N^2-2$

Option 4: $4N^2-2$

Team Careers360 24th Jan, 2024

Correct Answer: $2N^2-1$


Solution : Mean of $x$ and $\frac{1}{x}$ is $N$.
So, $\frac{x+\frac{1}{x}}{2}$ = $N$
Squaring both sides,
⇒ $\frac{(x+\frac{1}{x})^2}{2^2}$ = $N^2$
⇒ $\frac{x^2+\frac{1}{x^2}+2×x×\frac{1}{x}}{4}$ = $N^2$
⇒ $x^2+\frac{1}{x^2}$ = $4N^2-2$
So, the mean of $x^2$ and $\frac{1}{x^2}$ = $\frac{x^2+\frac{1}{x^2}}{2}$ = $2N^2-1$
Hence, the correct answer is $2N^2-1$.

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Question : Inhibition of photosynthesis in the presence of O2 in C3 plants is called

Option 1: Hexose monophosphate shunt

Option 2: Pasteur effect

Option 3: Decker effect

Option 4: Warburg effect

Team Careers360 24th Jan, 2024

Correct Answer: Warburg effect


Solution : The correct option is the Warburg effect.

Photorespiration is the slowing of photosynthesis caused by high oxygen concentrations and it is also known as the "Warburg Effect." When the oxygen concentration in the leaf exceeds the carbon dioxide concentration, the oxygen molecule binds to

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Question : Select the INCORRECTLY spelt word.

Option 1: Nefarious

Option 2: Sermonise

Option 3: Acquittal

Option 4: Chhivalrous

Team Careers360 24th Jan, 2024

Correct Answer: Chhivalrous


Solution : The correct choice is the fourth option.

Explanation:

The correct spelling is chivalrous with one "h". The term chivalrous describes someone who is gallant, honourable, and courteous, especially towards women. The addition of the extra "h" in "chhivalrous" is incorrect.

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