Staff Selection Commission Combined Graduate Level Exam
Question : John drives 250 km at 50 km/hr and then 350 km at 70 km/hr. Find his average speed for the whole journey in km/hr.
Option 1: 55 km/hr
Option 2: 60 km/hr
Option 3: 58 km/hr
Option 4: 65 km/hr
Correct Answer: 60 km/hr
Solution : Time taken by John when he drives 250 km at 50 km/hr = $\frac{250}{50}$ = 5 hr Time taken by John when he drives 350 km at 70 km/hr = $\frac{350}{70}$ = 5 hr Average speed for the whole journey = $\frac{250 + 350}{5
Question : The characteristic odour of garlic is due to _______.
Option 1: iodine
Option 2: copper
Option 3: chlorine
Option 4: sulphur
Correct Answer: sulphur
Solution : The correct answer is sulphur.
Sulphur present inside garlic causes bad breath, and it has a pungent smell. Sulphur is a bitter, tasteless substance that is pale yellow, and it does not dissolve completely in air. When we cut the garlic, allyl methyl sulphide gets
Question : Directions: In the following question, some parts of the sentence may have some errors. Find out which part of the sentence has an error and select the appropriate option. If the sentence is free from error, select "No error".
The fact of me (1) / being a stranger (2) / does not excuse his conduct. (3) / No error (4)
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (1)
Solution : The error lies in the first part of the sentence.
The error in the first part is that "me" should be replaced with "my". When one wants to show possession, the possessive pronoun my should be used instead of the objective pronoun me. So, it
Question : Direction: In this question, a word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as in the two matrices, given below. The columns and rows of Matrix (I) are numbered from 0 to 4 and that of Matrix (II) are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column, e.g. 'B' can be represented by 00,13, etc., and 'A' can be represented by 55, 69, etc. Similarly, you have to identify the set for the word.
'GIRL'
Option 1: 02, 56, 97, 24
Option 2: 31, 79, 68, 42
Option 3: 23, 97, 77, 11
Option 4: 11, 88, 95, 23
Correct Answer: 23, 97, 77, 11
Solution : Given: GIRL
Number representations of each letter: G → 10, 31, 02, 23, 44 I → 65, 56, 97, 88, 79 R → 95, 86, 77, 68, 59 L → 40, 11, 32, 03, 24
First option: 02, 56, 97, 24
Question : Which of the followinf is FALSE with respect to rain water harvesting ?
Option 1: It is a device of water conservation
Option 2: It helps in raising water table
Option 3: It helps in meeting rising water demands
Option 4: It increases run off losses
Correct Answer: It increases run off losses
Solution : The correct answer is increases run off losses.
Rainwater harvesting is a method of conserving rainwater and saving it for future use. It is highly beneficial as it addresses the rising demand of water, it increases the water table and it
Question : Select the correct passive form of the given sentence.
Why has the Chief Minister sealed the Delhi borders?
Option 1: Why are the Delhi borders being sealed by the Chief Minister?
Option 2: Why have the Delhi borders been sealed by the Chief Minister?
Option 3: Why the Chief Minister has been sealed by the Delhi borders?
Option 4: Why were the Delhi borders sealed by the Chief Minister?
Correct Answer: Why have the Delhi borders been sealed by the Chief Minister?
Solution : The correct passive form of the given sentence is the second option.
Explanation:
Passive voice is the voice in which the object experiences an action rather than the person who performs the action. Hence,
Question : At what rate of interest will a sum of INR 4,500 amount to INR 6,525 at simple interest for 5 years?
Option 1: 10%
Option 2: 9%
Option 3: 8%
Option 4: 12%
Correct Answer: 9%
Solution : Given: A sum of INR 4,500 amounts to INR 6,525 at simple interest for 5 years. Use the formulas, $SI=\frac{P\times R\times T}{100}$, $A= SI +P$ where $SI$, $P$, $R$, $A$, and $T$ are the simple interest, principal, rate, amount, and time. The simple interest for
Question : Directions: In the following question, some parts of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If the sentence is free from error, select "No Error."
The decapitated body of a young girl was discovered yesterday.
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 3
Solution : The error lies in the third option.
"Found" is the past form of "find," which means an act of locating something, whereas "discover" means to find or uncover something that was previously unknown or hidden and is often associated with a sense of surprise.
Question : Red data book gives information about species which are :
Option 1: extinct
Option 2: endangered
Option 3: dangerous
Option 4: rare
Correct Answer: endangered
Solution : The Correct Answer is endangered
The IUCN created the red data book to record local, rare, and endangered plant, animal, and fungal species that are found in a state or country. The Red Data Book contains records for every known endangered species and subspecies of
Question : The Bailadila range of Chhattisgarh is famous for which of the following minerals?
Option 1: Copper
Option 2: Bauxite
Option 3: Iron ore
Option 4: Coal
Correct Answer: Iron ore
Solution : The correct answer is Iron ore.
Bailadila is a hill range in Chhattisgarh and is famous for producing iron. The iron produced is used for manufacturing steel. Bailadila's name is due to its shape, like that of the mound of a bull. Bailadila is
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