Staff Selection Commission Sub Inspector Exam
Question : Directions: Select the missing number in the pattern from the given responses.
Option 1: 97
Option 2: 88
Option 3: 91
Option 4: 106
Correct Answer: 97
Solution : Given:
The pattern is running horizontally along the rows. Each alternate row follows the same pattern. Row 1: (1)3 + (3)3 = 1 + 27 = 28 Row 2: (3)2
Question : Directions: In the following question, two statements are given followed by three conclusions I, II, and III. You have to consider the two statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follow from the given statements Statements: I. All men are hardworking. II. No advocate is hardworking. III. Some beautiful are men. Conclusions: I. Some beautiful are hardworking. II. Some advocates are not beautiful. III. Some beautiful are not advocates.
Option 1: Only conclusion III follows
Option 2: Only conclusion I and III follow
Option 3: Only conclusions II and III follow
Option 4: Only conclusions I and II follow
Correct Answer: Only conclusion I and III follow
Solution : The possible Venn diagram for the given statement according to the question –
Let's analyse the conclusions – Conclusion (I): Some beautiful are hardworking – From the Venn diagram, we can see that the circles representing beautiful and hardworking intersect
Question : Directions: The number of letters repeated in the given word is indicated in front of each alternative. Identify the correct alternative. MEASUREMENTS
Option 1: M2E2A2S2U1R1N1T1
Option 2: M2E3A1S1U2R1N2T1
Option 3: M2E2A1S2U1R1N1T1
Option 4: M2E3A1S2U1R1N1T1
Correct Answer: M2E3A1S2U1R1N1T1
Solution : Given: MEASUREMENTS
The number of times a specific letter is repeated is shown below – M→2; E→3; A→1; S→2; U→1; R→1; N→1; T→1
So, MEASUREMENTS can be formed with the
Question : A person bought an article at a 30% discount on its marked price. The person then sold it at 30% profit for INR 427.70. What was the marked price of the article?
Option 1: INR 470
Option 2: INR 450
Option 3: INR 500
Option 4: INR 480
Correct Answer: INR 470
Solution : Let the marked price of the article be $x$ Cost price of the article at 30% discount = $x × \frac{70}{100}$ Selling price at 30% profit = $\frac{130}{100}\times$ cost price According to the question, $x × \frac{70}{100} × \frac{130}{100} = 427.70$ ⇒ $x =
Question : The value of $\frac{5-2 \div 4 \times[5-(3-4)]+5 \times 4 \div 2 \text { of } 4}{4+4 \div 8 \text { of } 2 \times(8-5) \times 2 \div 3-8 \div 2 \text { of } 8}$ is:
Option 1: $\frac{9}{8}$
Option 2: $\frac{9}{4}$
Option 3: $\frac{15}{32}$
Option 4: $\frac{89}{4}$
Correct Answer: $\frac{9}{8}$
Solution : Given: $\frac{5-2 \div 4 \times[5-(3-4)]+5 \times 4 \div 2 \text { of } 4}{4+4 \div 8 \text { of } 2 \times(8-5) \times 2 \div 3-8 \div 2 \text { of } 8}$ = $\frac{5-\frac{2}{4} \times6+5 \times 4 \div 8}{4+4 \div 16 \times3 \times 2
Question : A ladder leaning against a wall makes an angle $\theta$ with the horizontal ground such that $\cos \theta=\frac{5}{13}$. If the height of the top of the ladder from the wall is 18 m, then what is the distance (in m) of the foot of the ladder from the wall?
Option 1: 18
Option 2: 7.5
Option 3: 13
Option 4: 19.5
Correct Answer: 7.5
Solution : Let's the distance of the foot of the ladder as $x$, and the height of the top of the ladder is 18 m Length of the ladder = $L$ (Hypotenuse) $h$ = 18 cm and cos θ = $\frac{5}{13}$ Now, ⇒ cos θ = $\frac{5}{13}$
Question : Directions: Which letter cluster will replace the question mark (?) to complete the given series? PYWB, MVYD, ?, GPCH, DMEJ
Option 1: JSBF
Option 2: JTBF
Option 3: JTBG
Option 4: JSAF
Correct Answer: JSAF
Solution : Given: PYWB, MVYD, ?, GPCH, DMEJ
In the above-given series, subtract 3 from the place values of the first and second letters and add 2 to the place values of the third and fourth letters. PYWB→P – 3 = M; Y – 3 = V;
Question : Acid rain is caused due to pollution of the atmosphere by:
Option 1: oxides of Carbon and Nitrogen
Option 2: oxides of Nitrogen and Sulphur
Option 3: oxides of Nitrogen and Phosphorous
Option 4: None of these
Correct Answer: oxides of Nitrogen and Sulphur
Solution : The correct answer is this acid ruins vegetation and buildings.
Acid rain is caused by the massive release of acidic gases into the atmosphere by thermal power plants, industry, and automobiles. When emissions from factories, automobiles, or heating boilers come
Question : When did India join the United Nations?
Option 1: 1945
Option 2: 1947
Option 3: 1950
Option 4: 1954
Correct Answer: 1945
Solution : The correct option is 1945.
United Nations is the world's largest organisation. It aims to maintain international peace. It is headquartered in New York, but its offices are located in many different cities. India became a member of the United Nations on October 30,
Question : Directions: If a mirror is placed on the line XY, then which of the answer figures is the right mirror image of the given figure?
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : As per the mirror image properties, closer things appear closer to the mirror in the reflection. So, according to the above property and the information provided, the mirror is placed on the right side of the figure (on line XY). So, the left side of the
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