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Question : S.I. unit of magnetic flux is:
Option 1: Weber
Option 2: Weber/m
Option 3: Weber/m4
Option 4: Weber-m2
Correct Answer: Weber
Solution : The correct answer is Weber.
The Weber, which bears the symbol Wb and is named after German physicist and co-inventor of the telegraph Wilhelm Weber, is the SI unit of magnetic flux. It is described as the amount of flux that, when connecting an electrical
Question : Select the option that expresses the given sentence in active voice. The story of his uncle’s mysterious disappearance was first heard by Rajat in his childhood.
Option 1: The story uncle heard first time was about Rajat’s mysterious disappearance in his childhood.
Option 2: Rajat first heard the story of his uncle’s mysterious disappearance in his childhood.
Option 3: The story Rajat first heard in his childhood was about his uncle’s mysterious disappearance.
Option 4: Rajat’s first story that uncle heard in his childhood was about his mysterious disappearance.
Correct Answer: Rajat first heard the story of his uncle’s mysterious disappearance in his childhood.
Solution : The correct choice is the second option.
Explanation: In the original sentence, the subject is passive. Active voice emphasises the doer of the action, while passive voice emphasises the receiver. To
Question : Select the most appropriate meaning of the given idiom. It turns out to be a blessing in disguise.
Option 1: Has a good effect even though at first it seemed it would be bad
Option 2: When a simple solution solves a problem very well
Option 3: Has a very good effect on a situation or a thing
Option 4: When things get better and better when least expecting it
Correct Answer: Has a good effect even though at first it seemed it would be bad
Solution : The correct choice is the first option.
The idiom suggests that something initially perceived as negative or unfortunate turns out to be beneficial or advantageous in the end.
It reflects the idea
Question : Directions: In the given question, a sentence is given with a blank to be filled in with an appropriate word. Four alternatives are suggested for each question. Choose the correct alternative out of the four alternatives.
My heart (1) / is so full (2) / for words. (3) / No Error (4)
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (3)
Solution : The correct choice is the third option.
The preposition "for" should be replaced with "of". When describing the feeling of having a lot of something or experiencing a strong emotion, we use "full of" followed by the noun representing what fills the space or
Question : Directions: Four friends are sitting in a row facing north. B is at one end. A is second to the right of D. If D is between B and C, which of the following statements is NOT true?
Option 1: C is sitting to the immediate right of D
Option 2: B is sitting to the immediate left of D
Option 3: A and B are sitting next to each other
Option 4: A is sitting at one end
Correct Answer: A and B are sitting next to each other
Solution : Given:
I. D is between B and C. A is second to the right of D.
II. B is at one end.
So, A and B are sitting next to each other is a false statement. Hence,
Question : Three metallic spheres of radii 10 cm, 8 cm, and 6 cm, respectively are melted to form a single solid cone of radius 12 cm. Find the curved surface area of the cone, correct to two places of decimal. (Take $\pi=3.14$)
Option 1: $1664.50 \text{ cm}^2$
Option 2: $1669.86 \text{ cm}^2$
Option 3: $1876.79 \text{ cm}^2$
Option 4: $1864.41 \text{ cm}^2$
Correct Answer: $1864.41 \text{ cm}^2$
Solution : The volume of a sphere, where $r$ is the radius. $V = \frac{4}{3}\pi r^3$ The volume of a cone, where $r$ is the radius and $h$ is the height. $V = \frac{1}{3}\pi r^2 h$ The volume of the three spheres is equal to
Question : Identify the segment that contains a grammatical error. If there is no error, select 'No error.'
Her evaluation will give / me a best indication of / where I stand in the class.
Option 1: where I stand in the class.
Option 2: Her evaluation will give
Option 3: No error
Option 4: me a best indication of
Correct Answer: me a best indication of
Solution : The correct option will be the fourth option.
The phrase "give me the best indication of" is grammatically incorrect. The correct construction should include the definite article "the" before best.
Therefore, the corrected sentence is, "Her evaluation will give me the
Question : Select the correct active form of the given sentence. The football match was being watched by the boys.
Option 1: The football match was watching the boys.
Option 2: The boys had been watching the football match.
Option 3: The boys were watching the football match.
Option 4: The boys are watching the football matching.
Correct Answer: The boys were watching the football match.
The active form of a sentence emphasises the subject performing the action. In an active sentence structure, the subject of the sentence acts upon the object.
The structure of the sentence in
Question : Select the option that expresses the given sentence in reported speech. The teacher says, “Every action has an equal and opposite reaction.”
Option 1: The teacher says every action had an equal and opposite reaction.
Option 2: The teacher said that every action had an equal and opposite reaction.
Option 3: The teacher said that every action has an equal and opposite reaction.
Option 4: The teacher says that every action has an equal and opposite reaction
Correct Answer: The teacher says that every action has an equal and opposite reaction
Solution : The fourth option is the correct choice.
The steps of conversion are as follows:
Question : In the given figure, a circle is inscribed in $\triangle$PQR, such that it touches the sides PQ, QR and RP, at points D, E, and F, respectively. If the lengths of the sides PQ = 18 cm, QR = 13 cm, and RP = 15 cm, find the length of PD.
Option 1: 10 cm
Option 2: 8 cm
Option 3: 15 cm
Option 4: 12 cm
Correct Answer: 10 cm
Solution : Given: PQ = 18 cm, QR = 13 cm, and RP = 15 cm We know that two tangents to a circle from the same external point are equal. So, PF = PD Let the length of PD be $x$. DQ = $18-x$ =
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