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Question : Conversion of heat into electrical energy is achieved by using:
Option 1: ammeter
Option 2: hydrometer
Option 3: voltmeter
Option 4: thermocouple
Correct Answer: thermocouple
Solution : The correct answer is a thermocouple.
A thermocouple is a temperature-measuring device comprised of two conductors that are not identical to one another and come into contact at one or more locations where there is a temperature difference experienced by the various conductors (or semiconductors).
Question : Select the most appropriate idiom for the underlined segment in the following sentence.
Brave people never hide at the moment of decision.
Option 1: When the crunch comes
Option 2: Beat the clock
Option 3: A hell of time
Option 4: Turn back the hands of time
Correct Answer: When the crunch comes
Solution : The correct choice is the first option.
When the crunch comes means when a crucial or critical moment arrives, especially one that requires a decision or action. It refers to a pivotal point or a decisive moment where a situation becomes difficult
Question : Directions: What should come in place of the question mark (?) in the given series? 57, 43, 31, 21, 13, (?)
Option 1: 5
Option 2: 6
Option 3: 9
Option 4: 7
Correct Answer: 7
Solution : Given: 57, 43, 31, 21, 13, (?)
Subtract consecutive even numbers starting from 14 in decreasing order to get the missing term – 57 – 14 = 43; 43 – 12 = 31; 31 – 10 = 21; 21 – 8 = 13; 13 –
Question : Directions: In a certain code language, DICTATOR is written as DROTATCI, and GLIMPSE is written as GESPMIL. How will CONDEMN be written in that language?
Option 1: CNONMED
Option 2: NMEDNOC
Option 3: NCONDEM
Option 4: CNMEDNO
Correct Answer: CNMEDNO
Solution : Given: DICTATOR is written as DROTATCI and GLIMPSE is written as GESPMIL.
In the words DICTATOR, the first letter remains fixed at its position, and the remaining letters are written in reverse order – DICTATOR→D = D; ICTATOR = ROTATCI Thus, DICTATOR is coded as
Question : Directions: The diagram shows the age distribution of patients admitted to a hospital on a particular day. Study the diagram and answer the question.
The percentage of patients of age less than 45 years and less than to the hospital on that day is approximately equal to:
Option 1: 14%
Option 2: 20%
Option 3: 37%
Option 4: 62%
Correct Answer: 37%
Solution : From the graph, ⇒ The total number of patients aged less than 45 years = 1 + 4 + 8 = 13 ⇒ The total number of patients = 1 + 4 + 8 + 7 + 5 + 4 + 3 + 2 +
Question : Directions: In the following question, a sentence is given with blanks that are to be filled in with appropriate words. Four alternatives are suggested; choose the correct alternative out of them as your answer.
I ________ him for the post _____ he was very active.
Option 1: acknowledged, and
Option 2: admitted, but
Option 3: commended, even though
Option 4: recommended, because
Correct Answer: recommended, because
Solution : The correct choice is the fourth option.
The words "recommend" and "because" indicate that the person was recommended for the post, and the reason for this recommendation is his high level of activity. "Because" establishes a logical connection between the recommendation and the person's
Question : Directions: In the question, a part of the sentence is in bold. Below are given alternatives to the bold part at 1, 2 and 3 that may improve the sentence. Choose the correct alternative. In case no improvement is needed, your answer is (4).
The chickens in his farm are fatted up nicely.
(1) are fattened
(2) are fattening
(3) are fattying
(4) No Improvement
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (1)
The phrase "are fatted up" should be replaced with "are fattened up" to convey the intended meaning that the chickens on his farm have been intentionally fed to become fat or plump.
Therefore, the correct sentence is: The
Question : Suppose $\triangle A B C$ be a right-angled triangle where $\angle A=90^{\circ}$ and $A D \perp B C$. If area $(\triangle A B C)$ $=80 \mathrm{~cm}^2$ and $BC=16$ cm, then the length of $AD$ is:
Option 1: 10 cm
Option 2: 24 cm
Option 3: 18 cm
Option 4: 12 cm
Correct Answer: 10 cm
Solution : Base, BC = 16 cm Area $(\triangle A B C)$ $=80 \mathrm{~cm}^2$ $A D \perp B C$ Area of $(\triangle A B C)$ = $\frac{1}{2}\times BC \times AD$ ⇒ 80 = $\frac{1}{2}\times 16 \times AD$ ⇒ AD = 10 cm Hence, the correct answer
Question : Which one of the following is a factor of the sum of the first twenty-five natural numbers?
Option 1: 26
Option 2: 24
Option 3: 13
Option 4: 12
Correct Answer: 13
Solution : Given: $n$ = 25 The sum of the first $n$ natural numbers = $\frac{n(n+1)}{2}$ = $\frac{25\times 26}{2}$ = 25 × 13 The factors of the sum of the first 25 natural numbers are 13 and 25. Hence, the correct answer is 13.
Question : Choose the word that can substitute the given group of words. Someone who knows a lot about the arts, food, drink, or some other subject.
Option 1: Pacifist
Option 2: Gourmand
Option 3: Cynic
Option 4: Connoisseur
Correct Answer: Connoisseur
Solution : The correct option will be the fourth option.
The word that can substitute the given group of words "someone who knows a lot about the arts, food, drink, or some other subject" is a connoisseur.
In this case, connoisseur precisely captures the meaning of someone
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