Class 12
Question : Which of the following is the highest quality coal?
Option 1: Lignite
Option 2: Bituminous
Option 3: Peat
Option 4: Anthracite
Correct Answer: Anthracite
Solution : The correct option is Anthracite.
Anthracite coal is considered to have the highest quality among the various types of coal. It has a high carbon content, low impurities, and a high energy density, making it a desirable choice for heating and industrial applications.
Question : Select the option with the correct spelling that can replace the underlined word in the given sentence.
The old building was damolished to make way for a new building.
Option 1: demolished
Option 2: demoleished
Option 3: demonlished
Option 4: demolaished
Correct Answer: demolished
Solution : The correct choice is the first option.
The sentence contains the incorrect spelling "damolished" whereas the correct spelling is demolished.
Demolished refers to the action of destroying or tearing down a building, structure, or object.
Therefore, the correct sentence is: The old building
Question : Parallel sides of a trapezium are $26\;\mathrm{cm}$ and $40\;\mathrm{cm}$ and the area is $792\;\mathrm{cm^2}$. What is the value of the distance (in $\mathrm{cm}$) between parallel sides?
Option 1: $24\;\mathrm{cm}$
Option 2: $48\;\mathrm{cm}$
Option 3: $12\;\mathrm{cm}$
Option 4: $36\;\mathrm{cm}$
Correct Answer: $24\;\mathrm{cm}$
Solution : Given that the parallel sides are $26\;\mathrm{cm}$ and $40\;\mathrm{cm}$, and the area is $792\;\mathrm{cm^2}$. Let $d$ and $s$ as the distance between parallel sides and the sum of parallel sides. The sum of parallel sides $=26+40 =66\;\mathrm{cm}$ The area of a trapezium $=\frac{1}{2} \times s\times
Question : Adarsh wants to start a business of opening a fast food chain. Arti his friend, told him to perform planning as a function of management, as it precedes all function of management, i.e. organising, staffing, directing and controlling. Identify the feature of planning referred to here.
Option 1: Planning is a primary function
Option 2: Planning is pervasive
Option 3: Planning is continuous
Option 4: Planning is futuristic
Correct Answer: Planning is a primary function
Solution : Planning is the primary or first function to be performed by every manager. No other function can be executed by the manager without performing planning function because objectives are set up in planning and other functions depends on the objectives only.
Question : The division of Germany into East and West was a direct result of:
Option 1: The Marshall Plan
Option 2: The Yalta Conference
Option 3: The Potsdam Agreement
Option 4: The Berlin Airlift
Correct Answer: The Potsdam Agreement
Solution : The Potsdam Agreement, concluded after World War II, led to the division of Germany into East Germany (controlled by the Soviet Union) and West Germany (controlled by the Western Allies).
Question : Directions: In this question, some equations are solved based on a certain system. On the same basis, find out the correct answer out of the four alternatives for the unsolved equation. 53 – 34 = 5334 65 – 46 = 6456 75 – 24 = ?
Option 1: 7542
Option 2: 7524
Option 3: 7452
Option 4: 7254
Correct Answer: 7254
Solution : Given: 53 – 34 = 5334 and 65 – 46 = 6456
Like, 53 – 34 = 5334→ On combining 53 – 34, we get 5334. Now, on interchanging the position of the second and the third digits of 5334, we get 5334. And, 65
Question : Find the interjection in the sentence:
Man! Mr. Carol, you are terrible
Option 1: terrible
Option 2: Mr. Carol
Option 3: Man
Option 4: you
Correct Answer: Man
Solution : The correct answer is option 3.
Explanation:
Man as an interjection is used to convey shock, appreciation, rage, etc.
For example Man! That was quite terrifying!
Question : Directions: In a certain code language, P – Q means P is the wife of Q; P ÷ Q means P is the husband of Q; P × Q means P is the son of Q; P + Q means P is the daughter of Q. Based on the above, if H – I × J ÷ K + G, then how is I related to G?
Option 1: Daughter's son
Option 2: Mother's father
Option 3: Mother's mother
Option 4: Son
Correct Answer: Daughter's son
Solution : Given: P – Q ⇒ P is the wife of Q P ÷ Q ⇒ P is the husband of Q P × Q ⇒ P is the son of Q P + Q ⇒ P is the daughter of Q
As per the
Question : Directions: In the following question below are given some statements followed by some conclusions based on those statements. Taking the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows the given statements. Statements: I. All J is Y. II. No X is Y. Conclusions: I. Some X is not Y. II. Some J is not X.
Option 1: Neither conclusion follows
Option 2: Both conclusions I and II follow
Option 3: Only conclusion I follows
Option 4: Only conclusion II follows
Correct Answer: Both conclusions I and II follow
Solution : The possible Venn diagram according to the given statements is as follows –
Let's analyse the conclusions – Conclusion I: Some X is not Y – From the Venn diagram, it is evident that there is a negative relation between
Question : Directions: In the following question, a series is given with one number missing. Select the missing number from the given alternatives. 9, 19, 37, 75, 149, ?
Option 1: 297
Option 2: 298
Option 3: 300
Option 4: 299
Correct Answer: 299
Solution : Given: 9, 19, 37, 75, 149, ?
Multiply the terms by 2. Then, alternately add and subtract 1 from the result to get the following terms. (9 × 2) + 1 = 19 (19 × 2) – 1 = 37 (37 × 2) + 1
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