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Question : The ordinary and maximum tolerance limit of sound by human being is:
Option 1: 50 dB to 70 dB (decibel)
Option 2: 60 dB to 80 dB (decibel)
Option 3: 65 dB to 75 dB (decibel)
Option 4: 70 dB to 85 dB (decibel)
Correct Answer: 60 dB to 80 dB (decibel)
Solution : The correct option is 60 dB to 80 dB (decibel).
A human's normal sound tolerance level is between 60 and 80 decibels (dB). Sounds exceeding 80 dB are potentially dangerous and can cause hearing damage or pain, especially if exposed
Question : By which name is the historical road built by Sher Shah Suri known?
Option 1: Grand trunk road
Option 2: Expressway
Option 3: Highway
Option 4: Cart road
Correct Answer: Grand trunk road
Solution : The correct option is Grand Trunk Road.
We refer to the ancient route Sher Shah Suri constructed as the "Grand Trunk Road." It is also known as the "G.T. Road" and is among the Indian subcontinent's oldest and longest road networks.
Question : The Gross domestic product (GDP) estimation method measuring the aggregate value of goods and services produced by the firms is called _______.
Option 1: expenditure method
Option 2: consumption method
Option 3: income method
Option 4: product method
Correct Answer: product method
Solution : The correct answer is the product method.
One method of calculating a nation's national income is the product or value-added method. The output or inventory method is another name for this system. It shows how each producing unit contributes to the production process. Value-added
Question : Select the most appropriate meaning of the bracketed idiom in the given sentence. The first sample of ore from the trial boring is very promising, but we should remember that (one swallow does not make a summer).
Option 1: The fact of failure or escape is not affected by the narrowness of the margin.
Option 2: To come out of one trouble and get into a worse.
Option 3: A single fortunate event does not mean that what follows will also be good.
Option 4: The whole of everything.
Correct Answer: A single fortunate event does not mean that what follows will also be good.
Solution : The third option is correct.
Explanation: It's a cautionary phrase emphasising that one positive occurrence or outcome doesn't guarantee a string of positive outcomes. In the given sentence, it warns against
Question : What is the full form of NSDL?
Option 1: National Society Development Limited
Option 2: National Securities Depository Limited
Option 3: National Social Development Limited
Option 4: National Safety Development Limited
Correct Answer: National Securities Depository Limited
Solution : The correct answer is National Securities Depository Limited.
National Securities Depository Limited (NSDL) is an Indian central securities depository (CSD) that permits electronic securities transfers. The Securities and Exchange Board of India (SEBI) regulates NSDL, founded in 1996. Madhabi Puri Buch
Question : Directions: Pointing to a photograph, Vikas said "She is the daughter of my grandfather's only son". How is she related to Vikas?
Option 1: Father
Option 2: Brother
Option 3: Sister
Option 4: Mother
Correct Answer: Sister
Solution : As per the given information, the family tree will be as follows –
Here, the quadrilateral represents the male, and the circular figure represents the female in the figure.
So, from the above family tree, the girl in the photograph is the sister of Vikas.
Question : Directions: Three statements are given, followed by three conclusions numbered I, II and III. 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: l. All phones are laptops. ll. All pen drives are phones. lll. All pen drives are pens. Conclusions: I. All pens are phones. II. All laptops are pens. III. All pen drives are laptops.
Option 1: Only conclusion III follows
Option 2: Only conclusions I and II follow
Option 3: Only conclusions II and III follow
Option 4: Only conclusions I and III follow
Correct Answer: Only conclusion III follows
Solution : The possible Venn diagram, according to the given statements is as follows –
Let's analyse the conclusions – Conclusion (I): All pens are phones – From the Venn diagram, it is evident that the circles representing pens and phones overlap each other
Question : Select the most appropriate antonym of the given word.
TARDY
Option 1: BELATED
Option 2: OVERDUE
Option 3: DELINQUENT
Option 4: PROMPT
Correct Answer: PROMPT
Solution : The correct choice is the fourth option.
Tardy means to move slowly or sluggishly. Prompt means "immediate" or "done without delay", which makes it an antonym for "tardy".
The meanings of the other options are as follows:
Question : If x + y = 7 and xy = 19, calculate the value of x2 + y2.
Option 1: 17
Option 2: 12
Option 3: 11
Option 4: 19
Correct Answer: 11
Solution : Given: x + y = 7 and xy = 19. On squaring both sides of the equation x + y = 7, we get, (x + y)2 = 72 ⇒ (x2 + y2 + 2xy) = 49 ⇒ x2 +
Question : A motorboat, whose speed is 20 km/hr in still water takes 3 hours to cover a distance of 22.5 km upstream and then comes back to its starting point. The speed of the stream (in km/hr ) is:
Option 1: 10
Option 2: 9
Option 3: 8
Option 4: 11
Correct Answer: 10
Solution : Let, the speed of the water = $x$ km/hr Speed of motorboat in still water = 20 km/hr Downstream speed = $(20 + x)$ km/hr Upstream speed = $(20 - x)$ km/hr Time taken to go downstream = $\frac{22.5}{(20+x)}$ Time taken to go upstream =
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