Staff Selection Commission Combined Graduate Level Exam
Question : Select the option that expresses the given sentence in passive voice.
The tour guide always answers the visitor's questions.
Option 1: The visitors' question was always answered by the tour guide.
Option 2: The visitors' questions are answered by the tour guide always.
Option 3: The visitors' questions are always answered by the tour guide.
Option 4: The visitors' questions are answered always by the tour guide.
Correct Answer: The visitors' questions are always answered by the tour guide.
Solution : The correct choice is the third option.
Passive voice is the voice in which the object experiences an action rather than the person who performs the action. Hence, the object in the active sentence becomes
Question : On a river, Q is the midpoint between two points, P and R, on the same bank of the river. A boat can go from P to Q and back in 12 hours, and from P to R in 16 hours and 40 minutes. How long would it take to go from R to P?
Option 1: $3\frac{1}{3}$ hours
Option 2: $5$ hours
Option 3: $6\frac{2}{3}$ hours
Option 4: $7\frac{1}{3}$ hours
Correct Answer: $7\frac{1}{3}$ hours
Solution : Given: Q is the midpoint between two points, P and R, on the same river bank. A boat can go from P to Q and back, in 12 hours, and from P to R in 16 hours and 40 minutes. We know the formula:
Question : What is the difference between the average of the first 148 even positive numbers and the average of the first 129 odd positive numbers?
Option 1: 21
Option 2: 20
Option 3: 23
Option 4: 19
Correct Answer: 20
Solution : The sum of the first $n$ even number $=n(n+1)$. The sum of the first odd $n$ numbers $=n\times n$. $\text{Average}=\frac{\text{Sum}}{\text{The total number}}$ The sum of the first 148 even numbers $=148(148+1)=148\times149$ The average of the sum of the first 148 even numbers $=\frac{148\times149}{148}=149$ The sum
Question : Directions: Select the figure from the options that can replace the question mark (?) and complete the given pattern.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : According to the given figure series, the pattern that follows in each alternative box is as follows –
Therefore, figure in the second option is the required missing figure. Hence, the second option is correct.
Question : Which of the following gases is most toxic ?
Option 1: Carbon dioxide
Option 2: Carbon monoxide
Option 3: Sulphur dioxide
Option 4: Chlorine
Correct Answer: Carbon monoxide
Solution : The correct answer is carbon monoxide.
Carbon monoxide is a released on the incomplete combustion of fuels. It is a tasteless, odorless and colourless gas which is toxic for human beings. It binds with haemoglobin in the blood and forms a stable compound known
Question : Arsenic problem in India is primarialy due to
Option 1: Overexplotitation of coal in Bihar and Bengal
Option 2: Overexploitationn of arsenopyrite in the hinterland
Option 3: Overexploitation of ground water in the affected areas
Option 4: Overexploitation of surface water in the affected areas
Correct Answer: Overexploitation of ground water in the affected areas
Solution : The correct answer is Overexploitation of ground water in the affected areas.
Arsenic, a naturally occurring element present in the Earth's crust, is ubiquitously distributed in the environment, encompassing the atmosphere, bodies of water, and terrestrial regions.
Question : Comprehension: Read the following passage and answer the questions given after it.
The total area sown under Rabi crops has increased by 3.25%, from 697.98 lakh hectares in 2021–22 to 720.68 lakh hectares in 2022–23. This is 22.71 lakh hectares more this year compared to the corresponding period of 2021–22. Comparing with the normal sown area (average of the last five years), the increase is to the tune of 13.71%, from 633.80 to 720.68 lakh hectares. The increase in area is across all crops, the highest being rice. Out of the 22.71 lakh hectare increase in all Rabi crops, the increase in rice area is 11.20 lakh hectares, up from 35.05 lakh hectares in 2021–22 to 46.25 lakh hectares in 2022–23. However, this is lower than the normal sown area of 47.71 lakh hectares. The maximum increase in area under rice is in the states of Telangana and West Bengal. Area under oilseeds increased by 7.31% from 102.36 lakh hectares during 2021–22 to 109.84 lakh hectares this year. The increase in area under oilseeds at the rate of 7.31% is more than double the rate of increase of 3.25% in all crops together. Rajasthan, Madhya Pradesh, and Chhattisgarh accounted for major expansion in the area of oilseeds. Rapeseed and mustard contributed the maximum in increasing oilseed area during this Rabi season. Mustard area increased by 6.77 lakh hectares from 91.25 lakh hectares in 2021–22 to 98.02 lakh hectares in 2022–23. Thus, out of the 7.49 lakh hectares increase in area under oilseeds, rapeseed and mustard alone accounted for 6.44 lakh hectares. Pulse production is being focused on making the country self-sufficient in these commodities. The area under pulses increased by 0.56 lakh hectares from 167.31 to 167.86 lakh hectares. Mung beans and lentils accounted for the increase in the area under pulses. The United Nations General Assembly has declared the year 2023 as the International Year of Millets, and India is at the forefront of celebrating the event in a big way. In order to create awareness about the benefits of millet as a superfood and to meet its growing demand around the world, the government is promoting millet production through the NFSM-Nutri Cereals component of the National Food Security Mission programme in 212 districts in 14 states. Coarse cum nutri-cereals saw an increase of 2.08 lakh hectares in area under cultivation from 51.42 lakh hectares in 2021–22 to 53.49 lakh hectares in 2022–23. Question: Match the following crops with the area: Crop area in 2022-23 a. millets 1. 98.02 lakh hectares b. pulses 2. 53.49 lakh hectares c. mustard 3.167.86 lakh hectares
Option 1: a-1, b- 3, c-2
Option 2: a -3, b -1, c-2
Option 3: a-2, b-1, c-3
Option 4: a-2, b-3, c-1
Correct Answer: a-2, b-3, c-1
Solution : The fourth option is the correct choice.
Information about the area under cultivation for each crop in 2022–23 is provided in the passage:
Question : If 90 men can do a certain job in 16 days, working 12 hours per day, then the part of that work which can be completed by 70 men in 24 days, working 8 hours per day is:
Option 1: $\frac{1}{3}$
Option 2: $\frac{2}{3}$
Option 3: $\frac{7}{9}$
Option 4: $\frac{5}{8}$
Correct Answer: $\frac{7}{9}$
Solution : According to the question: $\frac{M_1×D_1×T_1}{W_1}=\frac{M_2×D_2×T_2}{W_2}$ Where $M_1$ and $M_2$ are men, $D_1$ and $D_2$ are days and $W_1$ and $W_2$, are work done. $T_1$ and $T_2$ are hours per day. So, $\frac{90×16×12}{1}=\frac{70×24×8}{W_2}$ ⇒ $W_2=\frac{7}{9}$ Hence, the correct answer is $\frac{7}{9}$.
Question : Directions: Select the option in which the given figure is embedded (rotation is NOT allowed).
Solution : Since the rotation is restricted. So, the embedded figure will have the same orientation as the main figure. By comparison of the question figure with all the option figures, the given question figure is embedded only in the second option figure.
Hence, the second option is
Question : Directions: The statement given below is followed by some conclusions. You have to consider the statement to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any follow from the given statement. Statement: I. All intelligent people are creative. Conclusions: I. Some creative people are intelligent. II. All creative people are intelligent.
Option 1: Only conclusion I follows
Option 2: Only conclusion II follows
Option 3: Either conclusion I or 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 analyse the conclusions – Conclusion (I): Some creative people are intelligent – Based on the given statement, all intelligent people are creative. From this, it can be inferred
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