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Question : Consumer's surplus is the highest in the case of :
Option 1: Durable goods.
Option 2: Luxuries .
Option 3: Comforts .
Option 4: Neccessities .
Correct Answer: Neccessities .
Solution : Correct Answer is Neccessities .
The market price of goods is significantly below what consumers would ultimately be willing to pay when there is a high consumer surplus. The level of consumer surplus is highest when it comes to necessities because consumers are willing
Question :
Pinna (external ear) is present in
Option 1:
Amphibians
Option 2:
Fish
Option 3: Mammals
Option 4: Reptile
Correct Answer: Mammals
Solution : The correct answer is Mammals.
The Pinna is the outermost part of the ear in mammals and is characterised by its composition of yellow cartilage and skin. It stands as a distinctive feature unique to this class of animals. The outer ear is further
Question : If the surface area of a sphere is $1386 \mathrm{~cm}^2$, then its volume is: (Take $\pi=\frac{22}{7}$ )
Option 1: 8451 cm3
Option 2: 4851 cm3
Option 3: 5418 cm3
Option 4: 4581 cm3
Correct Answer: 4851 cm3
Solution : The surface area of the sphere = 1386 cm$^2$ Surface area of a sphere = $4\pi r^2$ ⇒ $4\pi r^2$ = 1386 ⇒ $4 × (\frac{22}{7}) × r^2$ = 1386 ⇒ $r = \frac{21}{2}$ cm Volume of a sphere = $(\frac{4}{3})\pi r^3$ =
Question : Select the option that will improve the underlined part of the given sentence. In case no improvement is needed, select 'No improvement required'. The doors and windows will have painted by afternoon.
Option 1: no improvement required
Option 2: will be painting
Option 3: would been painted
Option 4: will have been painted
Correct Answer: will have been painted
Solution : The correct choice is the fourth option.
The sentence is in the future perfect tense, indicating an action that will be completed in the future before a specified time, in this case, the afternoon. To form the future perfect tense
Question : Study the given table and answer the question that follows. The table shows the production of five types of cars P, Q, R, S and T by a company from the year 1989 to 1994.
During the period 1989-94, which type of car featured a continuous decrease in production?
Option 1: S
Option 2: Q
Option 3: R
Option 4: T
Correct Answer: R
Solution : Using the given graph from the years 1989 to 94: Q = 16 > 10 < 14 > 12 = 12 < 14 R = 21 > 17 > 16 > 15 > 13 > 8 S = 4 < 6 <10 < 16 <
Bacteriophage was discovered by
Felix d’Herelle and Frederick Twort
A.J. Kluyver and van Niel
Option 3: Paul R Ehrlich
Option 4: Burrill and Smith
Correct Answer:
Solution : The correct answer is Felix d’Herelle and Frederick Twort.
Bacteriophage is a virus that destroys bacteria. The term bacteriophage was coined by Felix d'Herelle in 1918 and was found by Felix d’Herelle and Frederick Twort in the year 1915. Bacteriophage
Question : Directions: In the following question, a sentence is given with a blank that is to be filled in with appropriate words. Four alternatives are suggested; choose the correct alternative out of them as your answer.
This house _________ ten rooms.
Option 1: Consists by
Option 2: Consisted with
Option 3: Consists of
Option 4: Consist of
Correct Answer: Consists of
Solution : The third option is the correct answer. The usage of "consists of" helps maintain the subject-verb agreement in the sentence. Moreover, the verb "consists" takes the preposition "of" after it.
Therefore, the correct sentence is "This house consists of ten rooms".
Question : Directions: Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number. 16 : 128 :: 18 : 162 :: 22 : ?
Option 1: 246
Option 2: 242
Option 3: 88
Option 4: 484
Correct Answer: 242
Solution : Given: 16 : 128 :: 18 : 162 :: 22 : ?
Like, 16 : 128→16 × (16 ÷ 2) = 16 × 8 = 128 18 : 162→18 × (18 ÷ 2) = 18 × 9 = 162 Similarly, for 22 : ?→22 ×
Question : The ratio of the two numbers is 5 : 7 and their HCF is 3. Their LCM is:
Option 1: 75
Option 2: 105
Option 3: 125
Option 4: 35
Correct Answer: 105
Solution : The two numbers are in the ratio 5 : 7, and their highest common factor (HCF) is 3. Therefore, the numbers are 5 × 3 = 15 and 7 × 3 = 21. The least common multiple (LCM) of two numbers is given by the
Question : Directions: Select the option in which the numbers do not share the same relationship as that shared by the given pair of numbers. (23, 115, 207)
Option 1: (16, 80, 144)
Option 2: (21, 105, 189)
Option 3: (8, 35, 72)
Option 4: (6, 30, 54)
Correct Answer: (8, 35, 72)
Solution : Given: (23, 115, 207)
Here, 23 × 5 = 115; 23 × 9 = 207
Let's check the options – First option: (16, 80, 144); 16 × 5 = 80; 16 × 9 = 144 Second option: (21, 105, 189); 21 × 5
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