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Question : Comprehension:
Read the following passage and answer the questions.
For birds to survive, they must learn to live with and off humans, and those birds, like crows, sparrows, and mynahs, who do this to perfection, continue to thrive as our cities grow, whereas the purely wild birds, who depend on forests for life, are rapidly disappearing because forests are disappearing. If you have just a bit of garden and perhaps a guava tree, you will be visited by innumerable bulbuls, mynahs, tailor birds, parrots, etc. Or, if you own an old house, you will have to share it with pigeons and sparrows. And, if you have neither a garden nor a rooftop, you will still be visited by the crows.
Where man goes, the crow follows. He has learned to perfect the art of living off of humans. He will, I am sure, be the first bird on the moon, scavenging among the paper bags and cartons left behind by untidy astronauts. Crows favour the densest areas of the human population, and there must be one for every human. Many crows seem to have been humans in their previous lives; they possess all the cunning and sense of self preservation of man. At the same time, there are many humans who have obviously been crows, we haven't lost their thieving instincts.
Watch a crow sidling along the garden wall with an eye at the kitchen door and any attendant humans. He waits in the background till his chance comes, and then he pounces! I have even known a crow to make off with an egg from the breakfast table. The mynah, however, is more of a gentleman. He prefers fruit on the tree to scraps from the kitchen and visits the garden in expectation of handouts. He is quite handsome, too, with his bright orange bill. Although the blue jay is quite capable of making his living in the forest, he seems to show a preference for human haunts. He would rather perch on a telegraph wire because he finds it a better launching pad for his sudden rocket flights and aerial acrobatics!
Question:
Which of these birds has been called a ‘thief’ by the narrator?
Option 1: parrot
Option 2: crow
Option 3: mynah
Option 4: bulbul
Correct Answer: crow
Solution : The correct choice is the second option.
Explanation: The bird that has been called a 'thief' by the narrator is the crow. The passage mentions the cunning and thieving instincts of crows, describing how they sidle along walls, wait for opportunities, and even make off
Question : Choose the word that means the same as the given word. Villainous
Option 1: Wholesome
Option 2: Lucid
Option 3: Nefarious
Option 4: Famous
Correct Answer: Nefarious
Solution : The third option is correct.
Therefore, the correct answer is nefarious.
Question : If $a+b+c=0$ and $a^2+b^2+c^2=40$, then what is the value of $a b+b c+c a$?
Option 1: –30
Option 2: –20
Option 3: –25
Option 4: –40
Correct Answer: –20
Solution : Given: $a+b+c=0$ and $a^2+b^2+c^2=40$ we know that, $(a+b+c)^2 = a^2 + b^2 + c^2 + 2(ab+bc+ca)$ Putting the values, we get: ⇒ $0 = 40 + 2(ab+bc+ca)$ ⇒ $ab+bc+ca = -\frac{40}{2} = -20$ Hence, the correct answer is –20.
Question : If $m x^m-n x^n=0$, then what is the value of $\frac{1}{x^m+x^n}+\frac{1}{x^m-x^n}$ terms of $x^n$ is: Where $x,m,n$ are $>0$
Option 1: $\frac{2 m n}{x^n(n^2+m^2)}$
Option 2: $\frac{2 m n }{x^n(m^2-n^2)}$
Option 3: $\frac{2 m n}{x^n\left(m^2+n^2\right)}$
Option 4: $\frac{2 m n }{x^n(n^2-m^2)}$
Correct Answer: $\frac{2 m n }{x^n(n^2-m^2)}$
Solution : Given, $mx^m − nx^n = 0$ ⇒ $mx^m = nx^n$ ⇒ $\frac{x^m}{x^n} = \frac{n}{m}$ Now, $\frac{1}{x^m+x^n}+\frac{1}{x^m-x^n}$ = $\frac{x^m-x^n + x^m+x^n}{(x^m+x^n)(x^m-x^n)}$ = $\frac{2x^m}{(x^m+x^n)(x^{2m}-x^n)}$ = $\frac{n-m+n+m}{(n+m)(n-m)}$ = $\frac{2n}{(n^2−m^2)}$ Now, the value of $\frac{1}{x^m+x^n}+\frac{1}{x^m−x^n}$ in terms of $x^n$ = $\frac{2n}{n^2-m^2}\times\frac{x^n}{x^n}$ = $\frac{2nm}{x^n(n^2-m^2)}$ [As $x^n=m$] Hence,
Question : In which year was the Jammu and Kashmir Legislative Council abolished?
Option 1: 2019
Option 2: 2020
Option 3: 2022
Option 4: 2021
Correct Answer: 2019
Solution : The correct option is 2019.
The Jammu and Kashmir Legislative Council was formally abolished on October 31, 2019. This followed the passage of the Jammu and Kashmir Reorganisation Act, 2019, which reorganised the state into the Union Territories of Jammu Kashmir and Ladakh. As
Question : Directions: In the following question, the sentence given with a blank is to be filled in with an appropriate word. Select the correct alternative out of the four.
Two ___ were sent to garrison the town.
Option 1: Armies
Option 2: Regimes
Option 3: Troops
Option 4: Regiments
Correct Answer: Regiments
Solution : The fourth option is the correct choice since "regiments" means military units consisting of soldiers organised for specific tasks and fits perfectly in the sentence.
The meanings of the other options are as follows:
Question : What numerical scale was introduced in 1932 that determined the electronegativity of fluorine to be 4.0?
Option 1: Allred-Rochow scale
Option 2: Mulliken scale
Option 3: Pauling scale
Option 4: Jae scale
Correct Answer: Pauling scale
Solution : The correct option is the Pauling scale.
This scale was developed by Linus Pauling. The Pauling electronegativity scale quantifies the ability of an atom to attract electrons in a chemical bond. It's a dimensionless scale. Fluorine is set to 4.0 as it is
Question : Directions: From the given answer figures, select the one in which the question figure is hidden/embedded.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : Because there is no restriction on the rotation of the figure, we will check all the possible angles where the question figure can fit itself in the given option figures. By comparison of all the option figures, the given question figure is embedded only in the
Question : Identify the segment in the sentence which contains a grammatical error. There was enough evidence to convict him on selling of fake medicines.
Option 1: to convict him
Option 2: fake medicines
Option 3: on selling of
Option 4: There was enough evidence
Correct Answer: on selling of
Solution : The correct choice is the third option.
In the given sentence, the phrase "on selling of" is incorrect. The correct usage should involve the noun form "sale" rather than the gerund "selling". Also, "of" is used to indicate possession or connection, typically
Question : Directions: In this question, 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 follows/follow from the statements. Statements: Some spoons are black. All black are crows. No crow is a plate. Conclusions: I. Some black are spoons. II. All crows are black. III. No plate is a crow.
Option 1: Only conclusion I follows
Option 2: Only conclusions I and III follow
Option 3: None of the conclusions follows
Option 4: Only conclusion II follows
Correct Answer: Only conclusions I and III follow
Solution : Based on the given statements, the Venn diagram will be –
Let's analyse the conclusions – Conclusion I: Some black are spoons – From the Venn diagram, it is clear that the circles that represent black and spoons overlap and
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