Staff Selection Commission Sub Inspector Exam
Question : Directions: Two statements are given, followed by two conclusions numbered I and II. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: All cars are vehicles. All vehicles are trucks. Conclusions: I) All cars are trucks. II) All trucks are vehicles.
Option 1: Neither Conclusion I nor II follows
Option 2: Only Conclusion I follows
Option 3: Only Conclusion II follows
Option 4: Both Conclusions I and II follow
Correct Answer: Only Conclusion I follows
Solution : The possible Venn diagram, according to the given statements is as follows –
Let's analyze the conclusions – Conclusion (I): All cars are trucks – From the Venn diagram, it is evident that the circle representing cars is completely overlapped by the
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".
It is the time that four-year-olds (is learning) how to read and write.
(1) learn
(2) was learning
(3) has learning
(4) No Improvement
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 1
Solution : The correct choice is the first option.
The phrase is learning should be replaced with learn to convey the intended meaning that it is the perfect time for four-year-olds to start learning how to read and write. Learn is the plural verb form and thus
Question : Net decrease in working capital other than cash and cash equivalents will increase, decrease or not change cash flow from operating activities.
Option 1: Increase
Option 2: Decrease
Option 3: Either A or B
Option 4: none of the above
Correct Answer: Increase
Solution : Answer = increase
The net decrease in working capital, excluding cash and cash equivalents, will increase cash flow from operating activities. This is because a decrease in working capital indicates that less cash is tied up in current assets, resulting in more cash available for
Question : Directions: If the given sheet is folded to form a cube, which of the given figures is possible? (The elements are shown to indicate the sides only.)
Option 1: Only 2 and 3
Option 2: Only 2 and 4
Option 3: Only 1 and 3
Option 4: Only 1 and 4
Correct Answer: Only 1 and 3
Solution : In the 3D view of dice, 1. Each face out of the three faces in the 3D view should be from all the pairs. 2. Two opposite faces cannot appear adjacently in the 3D view of a folded cube figure. So, the
Question : The price of almonds is increased by 10%. By what percentage should the consumption be decreased so that the expenditure remains the same?
Option 1: $9 \frac{1}{11} \%$
Option 2: $5 \frac{3}{11} \%$
Option 3: $8 \frac{1}{11} \%$
Option 4: $10 \frac{3}{11} \%$
Correct Answer: $9 \frac{1}{11} \%$
Solution : Let the initial price be 100. After increment of 10% = 110 Difference = 110 – 100 = 10 Required percentage = $\frac{\text{difference}}{\text{Increased price}}\times100$ = $\frac{10}{110}\times100$ = $9\frac{1}{11}$ Hence, the correct answer is $9\frac{1}{11}\%$.
Question : Directions: In the following question, a series is given, with one alphabet missing. Choose the correct alternative from the given options. A, Z, B, Y, C, ?
Option 1: U
Option 2: V
Option 3: W
Option 4: X
Correct Answer: X
Solution : Given: A, Z, B, Y, C, ?
In the given series, add and subtract 1 alternately from the place value of the previous letter to obtain the next letter – A + 1 = B; Z – 1 = Y; B + 1 = C;
Question : Directions: If + means −, − means ×, × means ÷, and ÷ means +, what will be the value of the following expression? 2 ÷ 5 + 2 − 5 × 5 = ?
Option 1: 5
Option 2: 10
Option 3: 8
Option 4: 6
Correct Answer: 5
Solution : Given: 2 ÷ 5 + 2 − 5 × 5 = ?
After interchanging the given mathematical signs, we get – ⇒ 2 + 5 − 2 × 5 ÷ 5 ⇒ 2 + 5 − 2 × 1 ⇒ 2 + 5 − 2
Question : Which among the following books was an autobiography written by Jawaharlal Nehru in prison?
Option 1: Glimpses of World History
Option 2: Discovery of India
Option 3: Nehru Benakab
Option 4: Towards Freedom
Correct Answer: Towards Freedom
Solution : The correct option is Towards Freedom.
Jawaharlal Nehru wrote his autobiography, titled "Toward Freedom," while he was imprisoned in 1934-1935. The book provides insights into Nehru's life, political beliefs, and involvement in India's struggle for independence.
Question : Three persons P, Q, and R run along a circular track at speeds of 3 km/hr, 4 km/hr, and 6 km/hr respectively. If the length of the track is 36 km, then how much time will they meet again at the starting point?
Option 1: 38 hours
Option 2: 36 hours
Option 3: 24 hours
Option 4: 28 hours
Correct Answer: 36 hours
Solution : Speed = $\frac{\text{Distance}}{{\text{Time}}}$ The time it takes for each person to run one lap is: For P: $T_P = \frac{36}{3} = 12 \text{ hours}$ For Q: $T_Q = \frac{36}{4} = 9 \text{ hours}$ For R: $T_R = \frac{36}{6} = 6 \text{ hours}$ The time
Question : Directions: In a certain coding system, read this book is coded as 689, this book is useful is coded as 9675, and useful book is good is coded as 5479, What is the code for this book is good in this system?
Option 1: 4965
Option 2: 6457
Option 3: 8495
Option 4: 7859
Correct Answer: 4965
Solution : Given: 1. read this book⇒689 2. this book is useful⇒9675 3. useful book is good⇒5479
By comparing all the above coded sentences, we find that – In sentences 1, and 2, this and book are the common words and
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