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Question : The exterior angles obtained on producing the base of a triangle both ways are 121$^\circ$ and 104$^\circ$. What is the measure of the largest angle of the triangle?
Option 1: 75$^\circ$
Option 2: 76$^\circ$
Option 3: 74$^\circ$
Option 4: 66$^\circ$
Correct Answer: 76$^\circ$
Solution : First exterior angle = 121$^\circ$ Second exterior angle = 104$^\circ$ The sum of all the exterior angles of a triangle is 360$^\circ$ Let the three interior angles be A, B, and C and the third exterior angle be x ⇒ 121$^\circ$ + 104$^\circ$ + x
Question : Simplify the expression $\frac{3.35^2-1.25^2}{3.35+1.25}=?$
Option 1: 3.10
Option 2: 4.60
Option 3: 4.10
Option 4: 2.1
Correct Answer: 2.1
Solution : Given: $\frac{3.35^2-1.25^2}{3.35+1.25}$ Using identity $a^2-b^2=(a+b)(a-b)$, we get: $=\frac{(3.35+1.25)(3.35-1.25)}{3.35+1.25}$ $= (3.35-1.25)$ $= 2.1$ Hence, the correct answer is 2.1.
Question : The following sentence has been divided into parts. One of them may contain an error. Select the part that contains the error from the given options. If you don’t find any error, mark ‘No Error’ as your answer. Everyone was surprised / at his indefatigable courage and determination / to achieve what he desired.
Option 1: Everyone was surprised
Option 2: To achieve what he desired
Option 3: No Error
Option 4: At his indefatigable courage and determination
Correct Answer: No Error
Solution : The correct choice is the third option.
The given sentence is grammatically correct. Analysing each part of the given sentence. Therefore, there is no error in the given sentence.
Question : In an E-R diagram , ellipse represents
Option 1: relation
Option 2: entity
Option 3: fields
Option 4: key
Correct Answer: entity
Solution : The correct option is entity.
In an Entity-Relationship (E-R) diagram, an ellipse represents an entity. A real-world object or concept, such as a person, place, thing, or event, that can be uniquely identified, is represented as an entity in a database. Entities in a database
Question : Which of the following noble ideals is mentioned in the Preamble of the Indian Constitution?
Option 1: Liberty of expression, civil, political worship and belief.
Option 2: Liberty of thought, expression, belief, faith and worship.
Option 3: Liberty of belief, fiscal, personal, faith and worship.
Option 4: Liberty of opportunity, economic, social, faith and expression.
Correct Answer: Liberty of thought, expression, belief, faith and worship.
Solution : The correct answer is Liberty of thought, expression, belief, faith and worship.
The exact wording of this part of the Preamble is:
"Liberty of thought, expression, belief, faith, and worship."
This reflects the core principles of individual freedoms—freedom
Question : Which officer under Alauddin Khalji was required to maintain a register of merchants to ensure an adequate supply of goods?
Option 1: Nazir
Option 2: Rais Parwana
Option 3: Muhtasib
Option 4: Shahna-i-mandi
Correct Answer: Shahna-i-mandi
Solution : The correct answer is Shahna-i-mandi.
In Delhi, Alauddin Khalji established three markets. Each market was overseen by a high officer, a 'Shahna', who kept a merchant register and strictly monitored shopkeepers and pricing. This register listed the merchants' names, occupations, and places of business.
Question : What type of energy conversion takes place in a battery?
Option 1: Chemical energy into light energy
Option 2: Chemical energy into electrical energy
Option 3: Mechanical energy into chemical energy
Option 4: Chemical energy into sound energy
Correct Answer: Chemical energy into electrical energy
Solution : The correct answer is Chemical energy into electrical energy.
In a battery, chemical energy is converted into electrical energy. This process involves a chemical reaction within the battery's cells. The chemical components of the battery, such as the anode and
Question : Three numbers are such that the average of the first two numbers is 2, the average of the last two numbers is 3 and the average of the first and the last numbers is 4. What is the average of the three numbers?
Option 1: 2
Option 2: 3.5
Option 3: 3
Option 4: 2.5
Correct Answer: 3
Solution : Let the numbers in order be a, b, and c. According to the question, a + b = 2 × 2 = 4-----------(i) b + c = 2 × 3 = 6-----------(ii) c + a = 2 × 4 = 8-----------(iii) On adding (i), (ii),
Question : Directions: Study the following histogram of wage distribution of different numbers of workers and answer the given questions. The number of workers who earn less than Rs. 950 is:
Option 1: 23
Option 2: 26
Option 3: 16
Option 4: 31
Correct Answer: 23
Solution : The number of workers whose wages range between Rs. 900 to Rs. 910 is 3. The number of workers whose wages range between Rs. 910 to Rs. 920 is 2. The number of workers whose wages range between Rs. 920 to Rs. 930 is 4.
Question : Comprehension: In the following passage, some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each blank.
Let us take a brief look at the planet (1)______ which we live. As the earth hurtles through space at a (2)______ of 70, 000 miles per hour, it spins, as we all know, on its axis, (3)______ causes it to be flattened at the poles. Thus, if you (4)______ to stand at the North or South Pole, you would be 13 miles nearer the centre of the earth (5)______ if you stood on the Equator. Question
Select the most appropriate option to fill in the blank no. 1.
Option 1: for
Option 2: on
Option 3: by
Option 4: from
Correct Answer: on
Solution : The second option is the correct answer.
"On" is the correct preposition to refer to the Earth on which we live, emphasising its surface and features.
Therefore, the correct answer is "on".
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