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Question : Who gave the concept of 'money illusion' for the first time?
Option 1: Robertson
Option 2: Adam Smith
Option 3: Irving Fisher
Option 4: John Maynard Keynes
Correct Answer: Irving Fisher
Solution : The correct answer is Irving Fisher.
The concept of 'money illusion' was introduced by the American economist Irving Fisher. Irving Fisher, an influential economist of the late 19th and early 20th centuries, first articulated the concept of money illusion in his work. He discussed
Question : Directions: In the following question, some parts of the sentence have errors, and some are correct. Find out which part of the sentence has an error. The number of that part is the answer. If a sentence is error-free, your answer is "No Error".
Even if he was (1) / a God, (2) / I would not trust him. (3) / No Error (4)
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (1)
Solution : The correct choice is the first option.
Was should be replaced with were to convey the intended meaning that the speaker would not trust him even if he were a God.
There is an error in the use of the auxiliary verb in the sentence.
Question : A tradesman marks his goods at 25% above the cost price. If he reduces the marked price by $12\frac{1}{2}\%$, then his profit will be:
Option 1:
$9\frac{3}{8}\%$
Option 2: $7\frac{3}{5}\%$
Option 3: $6\frac{3}{8}\%$
Option 4: $5\frac{1}{3}\%$
Correct Answer:
Solution : Use the successive percentage change formula, where $x$ and $y$ are percentage increases or decreases, if increases take positive and if decreases take negative. $=(x+y+\frac{xy}{100})\%$ We have, $x = 25\%$ and $y=-12\frac{1}{2}\%=-\frac{25}{2}\%$ The required profit percentage, $=(25-\frac{25}{2}-\frac{25×25}{200})\%$ $=(25-\frac{25}{2}-\frac{25}{8})\%$ $=\frac{75}{8}\%$ $=9\frac{3}{8}\%$ Hence, the correct answer is
Question : Which among the following is the primary constituent of pearls?
Option 1: Calcium sulphate
Option 2: Calcium carbonate
Option 3: Sodium bicarbonate
Option 4: Magnesium peroxide
Correct Answer: Calcium carbonate
Solution : The correct answer is Calcium carbonate.
The primary constituent of pearls is calcium carbonate. Pearls are formed within the soft tissue of a living shelled mollusc, such as an oyster or mussel, as a defence mechanism against irritants. The mollusc secretes layers of nacre
Question : Rajinder drives his car at an average speed of 40 km/hr to cover half of his total distance and thereafter he increases his speed to 60 km/hr. He covers his journey in 7 hours. What is the average speed of Rajinder on this journey?
Option 1: 52 km/hr
Option 2: 48 km/hr
Option 3: 50 km/hr
Option 4: 54 km/hr
Correct Answer: 48 km/hr
Solution : Let the total distance covered by Rajinder = $2x$ km Time taken to travel half distance = $\frac{x}{40}$ Time taken to travel other half distance = $\frac{x}{60}$ Average speed = $\frac{\text{Total distance travelled}}{\text{Total time taken}}$ = $\frac{2x}{\frac{x}{40}+\frac{x}{60}}$ = $\frac{2×40×60}{40+60}$ = 48 km/hr Hence, the
Question : The table given below shows the production of television and fridges by different companies.
J1 = The value of average production of fridges by D and E. J2 = The total production of television and fridges by all companies. What is the value of (J2 – J1)?
Option 1: 456.2
Option 2: 314.5
Option 3: 465
Option 4: 422.5
Correct Answer: 422.5
Solution : J1 = The value of average production of fridges by D and E = $\frac{50+35}{2}=\frac{85}{2}=42.5$ J2 = The total production of television and fridges by all companies = 60 + 50 + 40 + 30 + 70 + 80 + 30 + 20 + 50
Question : Select the most appropriate option to substitute the underlined segment in the given sentence. If no substitution is required, select 'No substitution'.
You must be quite good acquainted with the terrain in this jungle.
Option 1: well acquainted
Option 2: No substitution
Option 3: better acquaints
Option 4: best acquaint
Correct Answer: well acquainted
Explanation: "Acquainted" means having knowledge or experience of something. In this context, "well acquainted" indicates a good or sufficient level of familiarity or knowledge of the jungle terrain. It fits naturally within the sentence structure and conveys
Question : Comprehension:
In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank. Child marriage is a kind of right exploitation as to (1)__________ in practically all areas, the kid must be at least 18 years old. As a result, marrying off a kid before they reach the age of (2)________ is an exploitation of their right. The long-standing (3)_________ of child marriage is one of the most prevalent reasons for child marriage. The elders want to plan for the (4)________ of their family, so they marry off the children to establish their position. Most crucially, poor individuals marry children to get rid of their debts, taxes, dowry, and other (5)__________.
Question: Select the most appropriate answer to fill in the blank 1.
Option 1: bind
Option 2: mature
Option 3: marry
Option 4: vote
Correct Answer: marry
Solution : The correct choice is the third option.
Explanation: The sentence discusses child marriage and the age at which a child can legally engage in various activities.
The phrase "the kid must be at least 18 years old" implies a condition related to age.
Question : The beak is formed by
Option 1: cheeks
Option 2: jaws
Option 3: teeth
Option 4: none
Correct Answer: jaws
Solution : The correct option is jaws.
The beak of a bird is formed usually via jaw modification. The jaws of birds have developed into a specialised structure that is designed for a variety of purposes, such as eating, grooming and communication. A bird's beak is
Question : A gives B a head-start of 10 seconds in a 1500 m race and both finish the race at the same time. What is the time A takes (in minutes) to finish the race if the speed of B is 6 m/s?
Option 1: 3
Option 2: 4
Option 3: 8
Option 4: 5
Correct Answer: 4
Solution : Time taken by B to finish the race = $\frac{1500}{6}$ = 250 seconds Given A gives a head start of 10 seconds to B. $\therefore$ Time taken by A to finish the race = 250 – 10 = 240 seconds Now, 240 seconds = $\frac{240}{60}$
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