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Question : If electric resistance is to be decreased, then the number of resistances should be connected in_________
Option 1: Series
Option 2: Parallel
Option 3: Mixed arrangement
Option 4: None of these
Correct Answer: Parallel
Solution : The correct option is parallel.
In a parallel circuit, each resistor has its own path for current to flow through. This reduces the overall resistance because there are multiple paths for the current to take, making it easier for electrons to flow. So, If the
Question : Directions: The student strength of a college in Arts, Science and Commerce from, 2004–05 to 2007–08 sessions is shown in the following bar graph. Study the graph and answer the question.
The percentage increase in Science students in 2007-08 over 2006-07 was:
Option 1: 10.1%
Option 2: 11.1%
Option 3: 16.7%
Option 4: 18.2%
Correct Answer: 11.1%
Solution : The number of science students in 2007-08 = 500 The number of science students in 2006-07 = 450 Percentage change =$\frac{\text{Number of science students in 2007-08 - Number of science students in 2006-07}}{\text{Number of science students in 2006-07}}\times100$ Percentage change = $\frac{500- 450}{450}\times100$ Percentage change
Question : Which of the following is the correct order of Friction?
Option 1: Static > Rolling > Sliding
Option 2: Rolling > Static > Sliding
Option 3: Static > Sliding > Rolling
Option 4: Sliding > Static > Rolling
Correct Answer: Static > Sliding > Rolling
Solution : The correct answer is Static > Sliding > Rolling.
The correct order of a Frictional Force is static > sliding > rolling. Friction is the resistance offered by the surfaces in contact with each other when they move past each
Question : What is the name of the app launched by the Union Ministry of Power to provide real-time information sharing on power supply?
Option 1: Urja Mitra
Option 2: BHIM
Option 3: Urja
Option 4: UMANG
Correct Answer: Urja Mitra
Solution : The correct option is Urja Mitra.
The Union Ministry of Power has introduced the Urja Mitra app. This comprehensive platform includes a mobile application, a web portal, and a central hub for state power distribution utilities. It provides real-time updates on the power supply.
Question : Comprehension:
In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
Colonialism had a great impact on the lives of the Aboriginal Australians who were eventually (1) _____ by the whites with all power and privilege. The colonisers turned their land into rubbish pits and (2) _____ sites for their own betterment. The Aborigines were often (3) _____ as sub-humans with low status and dirty habits. The whites not only displaced the tribes of their homeland but also (4) _____ the beauty and balance of the natural world. An increase in deforestation and destruction of traditional land led (5) _____ like emu, eagle, and kangaroo, among many others to dwindle over time.
Select the most appropriate option to fill in the blank number 3.
Option 1: created
Option 2: perceived
Option 3: received
Option 4: led
Correct Answer: perceived
Solution : The correct choice is the second option.
Perceive means to interpret or regard someone in a particular way, which correctly fits according to the context of the sentence that the Aborigines were looked at as sub-humans with low standards.
Question : The volume of a solid sphere is $4500 \pi \;cm^3$. The surface area of the solid sphere is:
Option 1: $700 \pi\; \text{cm}^2$
Option 2: $850 \pi\; \text{cm}^2$
Option 3: $900 \pi\; \text{cm}^2$
Option 4: $810 \pi\; \text{cm}^2$
Correct Answer: $900 \pi\; \text{cm}^2$
Solution : Volume of a solid sphere = $4500 \pi$ cm$^3$ $⇒\frac{4}{3}×\pi×r^3$ = $4500 \pi$ cm$^3$ $⇒r^3$ = $\frac{4500×3}{4}$ = 3375 $\therefore r$ = 15 cm The Surface area of the solid sphere = $4\pi r^2$ = 4 × $\pi$ × 15$^2$ cm$^2$ = 900$
Question : Directions: Select the Venn diagram that best illustrates the relationship between the following classes. Cereal, Wheat, Asafoetida
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : Wheat falls in the category of cereal. However, asafoetida is a spice and has an entirely different category. So the Venn diagram is –
Hence, the third option is correct.
Question : Directions: By interchanging which two signs the equation will be correct? 15 + 5 ÷ 2 – 9 × 3 = 22
Option 1: + and –
Option 2: × and ÷
Option 3: × and –
Option 4: ÷ and +
Correct Answer: × and ÷
Solution : Given: 15 + 5 ÷ 2 – 9 × 3 = 22
Let's check the options – First option: + and – On interchanging the mathematical signs, we get – = 15 – 5 ÷ 2 + 9 × 3 = 15 –
Question : Which of the following is represented by "The Lorenz Curve"?
Option 1: Employment
Option 2: Inflation
Option 3: Deflation
Option 4: Income Distribution
Correct Answer: Income Distribution
Solution : The correct option is Income Distribution.
The Lorenz curve illustrates how income or wealth is distributed among different segments of a population. It visually represents the cumulative share of the total income or wealth held by these segments, typically arranged in ascending order
Question : Directions: If A stands for ÷, B stands for ×, C stands for + and D stands for –, what will come in place of the question mark (?) in the following equation? 23 C 13 B 841 A 29 D 91 = ?
Option 1: 329
Option 2: 319
Option 3: 289
Option 4: 309
Correct Answer: 309
Solution : Given: 23 C 13 B 841 A 29 D 91 = ?
After replacing the letters with the mathematical signs, the equation becomes – = 23 + 13 × 841 ÷ 29 – 91 = 23 + 13 × 29 – 91 = 23 +
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