Staff Selection Commission Sub Inspector Exam
Question : Directions: In the following question, find the odd letter cluster from the given alternatives.
Option 1: UVX
Option 2: BCD
Option 3: HIJ
Option 4: PQR
Correct Answer: UVX
Solution : Let's check the options –
First option: UVX; U + 1 = V; V + 2 = X Second option: BCD; B + 1 = C; C + 1 = D Third option: HIJ; H + 1 = I; I + 1 = J Fourth
Question : Comprehension: In the following passage, some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each blank.
Let us take a brief look at the planet (1)______ which we live. As the earth hurtles through space at a (2)______ of 70, 000 miles per hour, it spins, as we all know, on its axis, (3)______ causes it to be flattened at the poles. Thus, if you (4)______ to stand at the North or South Pole, you would be 13 miles nearer the centre of the earth (5)______ if you stood on the Equator. Question
Select the most appropriate option to fill in the blank no. 5.
Option 1: than
Option 2: from
Option 3: where
Option 4: when
Correct Answer: than
Solution : The first option is the correct answer.
The sentence is making a comparison between two situations: standing at the North or South Pole and standing on the Equator. When making comparisons in English, we often use the word "than" to introduce the second part of
Question : If $p=\frac{5}{18}$, then $27p^{3}–\frac{1}{216}–\frac{9}{2}p^{2}+\frac{1}{4}p$ is equal to:
Option 1: $\frac{4}{27}$
Option 2: $\frac{5}{27}$
Option 3: $\frac{8}{27}$
Option 4: $\frac{10}{27}$
Correct Answer: $\frac{8}{27}$
Solution : Given: $p=\frac{5}{18}$ So, $27p^{3}–\frac{1}{216}–\frac{9}{2}p^{2}+\frac{1}{4}p$ Putting the value of $p=\frac{5}{18}$ in the expression, = $27×(\frac{5}{18})^{3}–\frac{1}{216}–\frac{9}{2}×(\frac{5}{18})^{2}+\frac{1}{4}×\frac{5}{18}$ = $27×(\frac{125}{18×18×18})–\frac{1}{216}–\frac{9}{2}×(\frac{25}{18×18})+\frac{1}{4}×\frac{5}{18}$ = $\frac{125}{216}–\frac{1}{216}–\frac{25}{72}+\frac{5}{72}$ = $\frac{124}{216}–\frac{20}{72}$ = $\frac{124–60}{216}$ = $\frac{64}{216}$ = $\frac{8}{27}$ Hence, the correct answer is $\frac{8}{27}$.
Question : Directions: Which of the following numbers will replace the question mark (?) in the given series? 18, 27, 31, 43, 44, 59, 57, ?
Option 1: 82
Option 2: 74
Option 3: 83
Option 4: 75
Correct Answer: 75
Solution : Given: 18, 27, 31, 43, 44, 59, 57, ?
Follow the pattern to obtain the missing term –
So, 75 is the missing term in the given series. Hence, the fourth option is correct.
Question : Directions: Manohar cycles X km towards the west and then turns right and cycles Y km to reach his office. Now, the shortest distance between the starting point and his office is 13 km. What can be the value of X and Y, respectively, (in km)?
Option 1: 12 and 5
Option 2: 8 and 5
Option 3: 11 and 6
Option 4: 6 and 7
Correct Answer: 12 and 5
Solution : Firstly, we will draw the diagram as per the given instructions –
As we have the shortest distance provided in the question, so applying the Pythagoras theorem in the given options, we can find the values of X and Y. Let's check the
Question : Who among the following was one of the discovers of Indus Valley Civilisation?
Option 1: Lord Woolley
Option 2: Daya Ram Sahni
Option 3: V. S. Agarwal
Option 4: A. L. Basham
Correct Answer: Daya Ram Sahni
Solution : The correct answer is Daya Ram Sahni.
The discovery of Harappa by Daya Ram Sahni in 1921 and the excavations conducted under the supervision of Sir John Marshal and Colonel Meke led to the discovery of the Indus Valley Civilisation. Mohenjo-daro, Ropar, and
Question : If $21 \tan \theta=20$, then $(1+\sin \theta+\cos \theta):(1-\sin \theta+\cos \theta)=$?
Option 1: 5 : 2
Option 2: 3 : 1
Option 3: 7 : 3
Option 4: 2 : 1
Correct Answer: 7 : 3
Solution : Given: $21 \tan \theta=20$ ⇒ $\tan \theta = \frac{20}{21}=\frac{\text{Perpendicular}}{\text{Base}}$ Let the perpendicular and the base be 20 units and 21 units respectively. Use the formulas, $\tan \theta=\frac{\text{Perpendicular}}{\text{Base}}$, $\sin \theta=\frac{\text{Perpendicular}}{\text{Hypotenuse}}$, $\cos \theta=\frac{\text{Base}}{\text{Hypotenuse}}$, Pythagoras's theorem: $\text{Hypotenuse}^2=\text{Base}^2+\text{Perpendicular}^2$ ⇒ $\text{Hypotenuse}^2={21}^2+{20}^2$ ⇒ $\text{Hypotenuse}^2=441+400$ ⇒ $\text{Hypotenuse}^2=841$ ⇒ $\text{Hypotenuse}=\sqrt{841}$ ⇒
Question : The claim for 'swarajya' or self-government within the British Empire, on the model of self-governing colonies like Australia and Canada, was put forward from the Congress platform in 1905 by:
Option 1: Lala Lajpat Rai
Option 2: Dadabhai Naoroji
Option 3: Bipin Chandra Pal
Option 4: Gopal Krishna Gokhale
Correct Answer: Gopal Krishna Gokhale
Solution : The correct option is Gopal Krishna Gokhale
Gopal Krishna Gokhale advocated in 1905 from the Congress platform for "swarajya," or self-government, inside the British Empire, based on the model of self-governing colonies like Australia and Canada. Prominent statesman and social reformer Gokhale was
Question : Directions: In the question, a sentence is given with a blank to be filled in with an appropriate word. Four alternatives are suggested for each question. Choose the correct alternative out of the four alternatives.
The State is home to several destinations of _________ beauty.
Option 1: paralleled
Option 2: unparalleled
Option 3: inequal
Option 4: equal
Correct Answer: unparalleled
Solution : The correct choice is the second option.
Explanation:
Unparalleled beauty means that the beauty of these destinations is unmatched. It suggests that these destinations are exceptionally beautiful and stand out.
Therefore, the complete sentence is: The State is home to several destinations of unparalleled
Question : Directions: In the following question, out of the four alternatives, select the alternative that will improve the bracketed part of the sentence. In case no improvement is needed, select "No Improvement".
Vishal (should be able to) work out these problems easily.
(1) could be able to
(2) must be able to
(3) can be able to
(4) No Improvement
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 4
Solution : The correct choice is the fourth option.
The sentence is grammatically accurate and doesn't need any changes. The sentence conveys the idea that Vishal is capable of working out the issues easily.
Therefore, the given sentence requires no improvement.
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