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Question : The microorganisms which convert the dead plants and animals to humus are known as_____.
Option 1: producers
Option 2: decomposers
Option 3: autotrophs
Option 4: herbivores
Correct Answer: decomposers
Solution : The correct answer is decomposers.
The decomposers are the microorganisms which convert the dead plants and animals to humus. Bacteria and fungi are examples of this kind of microorganisms. The decomposers break down the complex organic material into simple inorganic substances that go into the
Question : Directions: Select the correct mirror image of the given figure when the mirror is placed at line MN as shown.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : As per the mirror image properties, closer things appear closer to the mirror in the reflection. Here, according to the information provided, the mirror is placed on the right side of the figure (on line MN). So, the left side of the reflected image will appear
Question : The following line graph displays the ratio of exports to imports (in terms of money in INR crores) of company A from 2010 to 2015. Study the graph carefully and answer the question based on the given line graph. In how many years, the export of company A was more than the company's imports?
Option 1: Four
Option 2: Two
Option 3: Six
Option 4: Three
Correct Answer: Four
Solution : Ratios = 0.9, 1.2, 0.7, 2.4, 2.5, 2.4 When the ratio is greater than 1, the export of company A will be more than the company's import. Hence, the correct answer is Four.
Question : Select the most appropriate meaning of the given idiom.
Like a cakewalk.
Option 1: Smooth surface.
Option 2: Pleasant experience.
Option 3: Easy task.
Option 4: Active
Correct Answer: Easy task.
Solution : The correct choice is the third option.
The idiom, like a cakewalk is an expression used to describe a task or activity that is very easy and requires little effort. It implies that completing the task is as easy as walking through a park
Question : Snails are an example of which of the phylum of the animal kingdom?
Option 1: Protochordate
Option 2: Mollusca
Option 3: Annelida
Option 4: Arthropoda
Correct Answer: Mollusca
Solution : The correct answer is Mollusca.
Snails belong to the Mollusca phylum of the animal kingdom. Snails are cold-blooded invertebrates with a protective shell that keeps them hydrated. Mollusca is the second-largest invertebrate animal phylum after anthrophobia.
Question : On April 12, 1944, Subhas Chandra Bose hoisted the INA Flag in a town. In which state/union territory is that town now?
Option 1: Andaman and Nicobar Islands
Option 2: Tripura
Option 3: Manipur
Option 4: Mizoram
Correct Answer: Manipur
Solution : The correct answer is Manipur.
In 1944, the Azad Hind Fauj (INA) breached the Burma-India border. Army units advanced as far as Kohima and Imphal in Manipur. The INA flag was raised for the first time on Indian soil. The government later built the INA
Question : In a factory, Ajay and Vijay work on the same machine to cut diamonds but on an alternate-hour basis. Ajay works for the first hour and then Vijay works for the second hour and so on. Ajay can complete the work in 6 hours, while Vijay completes it in 16 hours if they work individually. In how much time can they complete the work if they are using the machine on an alternate basis?
Option 1: 8 hr 30 min
Option 2: 8 hr
Option 3: 9 hr
Option 4: 9 hr 30 min
Correct Answer: 8 hr 30 min
Solution : Time taken by Ajay to complete the work = 6 hours ⇒ Part of work done by Ajay in an hour = $\frac{1}{6}$ Time taken by Vijay to complete the work = 16 hours ⇒ Part of work done by Vijay in
Question : In April 2019, Dinesh purchased a new car for INR 7,00,000 and sold it in April 2022 at its depreciated cost. If the rate of depreciation in the first year is 20%, 15% in the second year, and 10% every year thereafter, what amount of money will Dinesh get as the selling price?
Option 1: INR 4,28,400
Option 2: INR 4,28,600
Option 3: INR 4,68,400
Option 4: INR 5,28,400
Correct Answer: INR 4,28,400
Solution : After the first year, the value of the car depreciates by 20%. The value of the car after the first year = 7,00,000 × (1 – 0.20) = INR 5,60,000. After the second year, the value of the car depreciates by 15%. The value
Question : Select the most appropriate synonym to replace the italicised word.
We also must do something about our mental and physical lethargy.
Option 1: eagerness
Option 2: enthusiasm
Option 3: hebetude
Option 4: vigour
Correct Answer: hebetude
The word lethargy refers to a state of lack of energy, alertness, or enthusiasm. Hebetude denotes the state of being dull or lethargic.
The meanings of the other options are as follows:
Question : The term that should be added to ($4x^2+8x$) so that the resulting expression be a perfect square, is:
Option 1: $2$
Option 2: $4$
Option 3: $2x$
Option 4: $1$
Correct Answer: $4$
Solution : $4x^2+8x$ = $(2x)^2+2×(2x)×2$ Adding $4$ on both sides then use identity: $(a + b)^2 = a^2 + b^2 + 2ab$ $4x^2+8x+4$ = $(2x)^2+2×(2x)×2+4$ = $(2x+2)^2$ Thus, $4$ is to be added to $4x^2+8x$ to make it a perfect square. Hence, the correct answer is $4$.
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