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Question : The Coast of Norway is an example of:
Option 1: Dalmatian Coast
Option 2: Fjord Coast
Option 3: Ria Coast
Option 4: Emerged Coast
Correct Answer: Fjord Coast
Solution : The correct option is the Fjord Coast.
A fjord is a glacier-carved, long, narrow inlet with cliffy walls. It is created when a glacier carves a U-shaped valley in the surrounding bedrock via ice segregation. With its roughly 1200 fjords, Norway's coastline is
Question : Which of the following is not a part of All India Services?
Option 1: Indian Forest Service
Option 2: Indian Engineering Service
Option 3: Indian Administrative Service
Option 4: Indian Police Service
Correct Answer: Indian Engineering Service
Solution : The correct answer is Indian Engineering Service.
Indian Engineering Service is not a part of the All India Services. All Indian services include the Indian Administrative Service, Indian police service and the Indian Forest Service. All India services recruitment is completed by the
Question : If $\alpha+\beta=90^{\circ}$ and $\alpha=2 \beta$, then the value of $3 \cos ^2 \alpha-2 \sin ^2 \beta$ is equal to:
Option 1: $\frac{3}{4}$
Option 2: $\frac{3}{2}$
Option 3: $\frac{1}{4}$
Option 4: $\frac{4}{3}$
Correct Answer: $\frac{1}{4}$
Solution : Given that $\alpha + \beta = 90^\circ$ and $\alpha = 2\beta$, Substitute $\alpha$ in terms of $\beta$ into the first equation, $⇒2\beta + \beta = 90^\circ$ $⇒\beta = 30^\circ$ $\therefore \alpha = 60^\circ$ Substitute these values into the expression $3\cos^2\alpha - 2\sin^2\beta$: $3\cos^2(60^\circ) - 2\sin^2(30^\circ)
Question : Directions: Select the option in which the numbers share the same relationship in the set as that shared by the numbers in the given set. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g.13 – Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.) (6, 12, 24); (28, 14, 7)
Option 1: (32, 14, 1)
Option 2: (36, 16, 9)
Option 3: (25, 18, 16)
Option 4: (25, 10, 4)
Correct Answer: (25, 10, 4)
Solution : Given: (6, 12, 24); (28, 14, 7)
Here, (6, 12, 24)→(12)2 ÷ 6 = 144 ÷ 6 = 24 (28, 14, 7)→(14)2 ÷ 28 = 196 ÷ 28 = 7
Let's check the options – First option: (32, 14, 1)→(14)2
Question : Three containers have their volumes in the ratio 3 : 4 : 5. They are full of mixtures of milk and water. The mixtures contain milk and water in the ratios (4 : 1), (3 : 1), and (5 : 2), respectively. The contents of all these three containers are poured into a fourth container. The ratio of milk and water in the fourth container is:
Option 1: 4 : 1
Option 2: 151 : 48
Option 3: 157 : 53
Option 4: 5 : 2
Correct Answer: 157 : 53
Solution : Let the volumes of the three containers be $3x$, $4x$, and $5x$. In the container with volume $3x$, Milk $=\frac{4}{4+1}×3x=\frac{12x}{5}$ Water $=\frac{1}{4+1}×3x=\frac{3x}{5}$ In the container with volume $4x$, Milk $=\frac{3}{3+1}×4x=\frac{12x}{4}$ Water $= \frac{1}{3+1}×4x=\frac{4x}{4}$ In the container with volume $5x$, Milk $= \frac{5}{5+2}×5x=\frac{25x}{7}$ Water
Question : Which of the following processes is used for the production of Biodiesel?
Option 1: Transamination
Option 2: Transcription
Option 3: Transesterification
Option 4: Translation
Correct Answer: Transesterification
Solution : The correct option is - Transesterification
The process of creating biodiesel through the transesterification of chemical reactions is known as biodiesel manufacturing. This involves combining short-chain alcohols (usually methanol or ethanol) with vegetable or animal fats and oils.
Question : Directions: How many triangles are there in the given figure?
Option 1: 8
Option 2: 6
Option 3: 7
Option 4: 5
Correct Answer: 7
Solution : The given figure can be labelled as shown below –
Now, in the above figure, there are 7 triangles. They are ABC, DEF, GHI, JKL, MNO, PQR, STU.
So, there are a total of 7 triangles. Hence, the third option is correct.
Question : Transpiration through leaves is called as
Option 1: Cauline transpiration
Option 2: Foliar transpiration
Option 3: Cuticular transpiration
Option 4: Lenticular transpiration
Correct Answer: Foliar transpiration
Solution : The correct option is Foliar transpiration.
Transpiration through leaves is known as "foliar transpiration." Foliar transpiration is a process in plants in which water vapour is released into the atmosphere through stomata, which are mostly found on the surface of leaves. This water vapour
Question : Directions: Six boys Rahul, Ram, Ramesh, Sohan, Sahil, and Anil are sitting in a row facing north (not necessarily in the same order). Rahul is fourth to the left of Anil. Ram is second to the right of Sohan. Ramesh is second to the right of Ram. Anil is not sitting on the extreme ends of the row. Who is sitting second to the right of Rahul?
Option 1: Sahil
Option 2: Anil
Option 3: Sohan
Option 4: Ram
Correct Answer: Sahil
Solution : Given: 1. Anil is not sitting on the extreme ends of the row. 2. Rahul is fourth to the left of Anil. 3. Ram is second to the right of Sohan. 4. Ramesh is second to the right of Ram. From the above-given information, the
Question : Select the option that expresses the given sentence in indirect speech. Hari said to the boy, "What's the matter? Why are you crying? Be cheerful."
Option 1: Harl asked the boy what the matter was and why he was crying. He asked him to be cheerful.
Option 2: Hari asks the boy what the matter was and why he was crying. He asks him to be cheerful.
Option 3: Hari asked the boy what the matter was and why he was crying. He asks him to be cheerful.
Option 4: Hari asked the boy what was the matter and he was crying. He asked him to be cheerful.
Correct Answer: Harl asked the boy what the matter was and why he was crying. He asked him to be cheerful.
Solution : The correct choice is the first option.
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