Staff Selection Commission Combined Graduate Level Exam
Question : Train A takes 45 minutes longer than Train B to travel a distance of 450 km. Due to engine trouble, the speed of train B falls by a quarter, so it takes 30 minutes more than train A to complete the same journey. What is the speed of train A (in km/h)?
Option 1: 90
Option 2: 120
Option 3: 100
Option 4: 110
Correct Answer: 100
Solution : Let train B take $t$ min, and train A take $(t + 45)$ min. Due to engine failure, train B takes 30 min more than train A. So train B takes $(t + 75)$ minutes to complete the journey. Let the original speed of train
Question : The number 5769116 is divisible by which of the following numbers?
Option 1: 4
Option 2: 5
Option 3: 12
Option 4: 6
Correct Answer: 4
Solution : The given number is 5769116. The last two digits = 16, which is divisible by 4, Therefore, the number is divisible by 4. Hence, the correct answer is 4.
Question : The pie chart given below shows the number of boys in 8 schools. The total number of boys in all these 8 schools is 12000. The number of boys in a particular school is shown as a percent of the total number of boys in all these 8 schools. The average number of boys in S1 and S2 is what percent of the average number of boys in S6 and S8?
Option 1: 133.33 percent
Option 2: 192.24 percent
Option 3: 172.26 percent
Option 4: 146.15 percent
Correct Answer: 146.15 percent
Solution : Now, the average number of boys in S1 and S2 is what percent of the average number of boys in S6 and S8 = $\frac{\frac{(31+7)}{2}}{\frac{(11+15)}{2}}\times 100$% = 146.1538% ≈ 146.15% ∴ The average number of boys in S1 and S2 is what percent of
Question : Study the given pie chart and answer the question that follows. The pie chart displays the percentage of fruits sold (in $\mathrm{kg}$) by a fruit seller in one month.
If the total number of fruits sold by a fruit seller in one month was 50,000 kg, find the approximate difference between the quantity (in kg) of pomegranates and that of berries.
Option 1: 11,480
Option 2: 13,535
Option 3: 21,408
Option 4: 12,465
Correct Answer: 11,480
Solution : Total fruits sold by a fruit seller in one month = 50,000 kg Number of pomegranates sold in a month = 31.07% of 50,000 Number of berries sold in a month = 8.11% of 50,000 Difference of the quantity of pomegranates and that of berries
Question : Directions: If Usha is taller than Nisha, Nisha is taller than Asha, and Alka is taller than Usha, then who among them is the tallest?
Option 1: Usha
Option 2: Alka
Option 3: Nisha
Option 4: Asha
Correct Answer: Alka
Solution : Given: Usha is taller than Nisha; Usha > Nisha Nisha is taller than Asha; Nisha > Asha Alka is taller than Usha; Alka > Usha
By concluding all the given information, we have – Asha < Nisha < Usha < Alka
So, Alka is the
Question : Directions: In the following question, some parts of the sentence have errors, and some are correct. Find out which part of the sentence has an error. The number of that part is the answer. If a sentence is error-free, your answer is "No Error".
Mothers keep on (1) / to encouraging their children (2) / to study. (3) / No Error (4)
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 2
Solution : The correct choice is the second option.
Explanation:
Question : Directions: In the following question below are given some statements followed by some conclusions based on those statements. Taking the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows the given statements. Statements: I. All A is H. II. No B is A. Conclusions: I. Some A is not B. II. No B is H.
Option 1: Only conclusion II follows
Option 2: Both conclusions I and II follow
Option 3: Neither conclusion follows
Option 4: Only conclusion I follows
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 A is not B – From the Venn diagram, it is evident that there is a negative relation between A and
Question : In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
Our beautiful ecosystem is being systematically (1)____ by industrial pollution channelled into rivers like the Ganga and the Yamuna, nuclear wastes from atomic plants muted into the world’s oceans, and (2)____ gases such as carbon dioxide mixed with the ozonosphere. Besides, tropical rainforests and green pastures are disappearing (3)_____ the pressure of a proliferating population. Dams are being (4)_____ over the rivers like the Narmada to change nature’s well-balanced surface equations between flora and fauna, and sloping mountainous terrain is being converted into mini oceans to supply electricity to the ever-starving industrial stomach of our age. Elephants, tigers, the wild rhinos of South Africa and many other forest creatures have become (5)_____ species.
Question
Select the most appropriate option to fill in the blank number 4.
Option 1: validated
Option 2: built
Option 3: detected
Option 4: associated
Correct Answer: built
Solution : The second option is correct.
Explanation: In the context of the passage, the blank refers to the construction of dams over rivers like the Narmada. The correct verb to use in this context is built, as it accurately conveys the idea of creating or
Question :
In the names Mangifera indica (Mango), Solanum tuberosum (Potato) and Panthera leo (Lion) the terms Mangifera, Solanum, and Panthera are the higher level of?
Option 1:
Taxon
Option 2:
Taxonomic Hierarchy
Option 3: Specific Epithet
Option 4: Binomial Nomenclature
Correct Answer:
Solution : The correct answer is Taxon.
The word "taxon," in its plural form "taxa," refers to groupings or categories that are arranged and classified in biology based on common characteristics and evolutionary links. Taxonomy is a multi-level hierarchical system that includes domain, kingdom, phylum, class, order,
Question : Given below are four sentences in jumbled order. Pick the option that gives their correct order. A. New research, however, has found that bilingual children speak their first fifty words and so on, at the same age as children who only speak one language. B. Until fairly recently, parents and teachers feared that introducing children to a second language when they were very young could delay their language skills. C. Furthermore, there is no evidence that children confuse the two languages. D. In addition, there were fears that bilingual children would become confused in their use of language.
Option 1: BADC
Option 2: ACDB
Option 3: ABDC
Option 4: BDAC
Correct Answer: BDAC
Solution : The fourth option is correct.
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