Staff Selection Commission Sub Inspector Exam
Question : Study the following table carefully and answer the questions based on it. The following table shows the domestic sales of vehicles of four manufacturers from 2010 to 2015.
Concerning which of the following combinations, is the sales of vehicles lowest over the given period?
Option 1: A, 2010
Option 2: B, 2015
Option 3: B, 2010
Option 4: A, 2011
Correct Answer: B, 2010
Solution : The sales of vehicle B are lowest over the period 2010 = 5,40,000 Hence, the correct answer is B, 2010.
Question : The following sentence has been split into four segments. Identify the segment that contains a grammatical error.
My granny says that / it is quite all right / to get married young, / though I do not absolute agree with her a bit on this.
Option 1: My granny says that
Option 2: though I do not absolute agree with her a bit on this.
Option 3: it is quite all right
Option 4: to get married young
Correct Answer: though I do not absolute agree with her a bit on this.
Solution : The error lies in the second option.
Explanation:
The error is in the phrase do not absolute agree. The correct adverb to use here is absolutely. Absolutely in this context emphasises the
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
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
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
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 ×
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
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
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
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;
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
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 +
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: $4N^2-2$
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 $2N^2-1$.
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
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
Question : Select the INCORRECTLY spelt word.
Option 1: Nefarious
Option 2: Sermonise
Option 3: Acquittal
Option 4: Chhivalrous
Correct Answer: Chhivalrous
Solution : The correct choice is the fourth option.
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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