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Question : _________ is a market where economic agents can freely exchange their endowments with each other.
Option 1: Market economy
Option 2: Centrally planned economy
Option 3: Aggregate demand based economy
Option 4: Aggregate supply based economy
Correct Answer: Market economy
Solution : A market economy is a system in which privately held companies engage in unregulated competition to set prices and determine production. Market economy is a market where economic agents can freely exchange their endowments which each other.
Question : When Lead nitrate is heated, which of the following gases is produced?
Option 1: Nitrogen oxide
Option 2: Lead dioxide
Option 3: Nitrogen dioxide
Option 4: Lead oxide
Correct Answer: Nitrogen dioxide
Solution : The correct option is Nitrogen dioxide.
When Lead Nitrate (Pb(NO3)2) is heated, it undergoes thermal decomposition. The reaction can be represented as: Pb(NO3)2(s) → PbO(s) + NO2(g) + O2(g)
When Lead
Question : Directions: From the given alternative words, select the word that cannot be formed using the letters of the given word. ADMINISTRATION
Option 1: STRAIN
Option 2: TRADITION
Option 3: SITUATION
Option 4: RATION
Correct Answer: SITUATION
Solution : Given: ADMINISTRATION
Now, let's compare all the option words with the word ADMINISTRATION – First option: STRAIN; All the letters of STRAIN are present in the word ADMINISTRATION. Second option: TRADITION; All the letters of TRADITION are present in the word ADMINISTRATION. Third option: SITUATION;
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Question : If $α$ is an acute angle, $\tan (4α − 50°) = \cot (50° − α)$, then find the value of $α$ (in degrees).
Option 1: 60
Option 2: 45
Option 3: 30
Option 4: 90
Correct Answer: 30
Solution : $\tan (4α − 50°)$ = $\cot (50° − α)$ = $\tan(90°–(50° − α))$ ⇒ $\tan (4α − 50°)$ = $\tan(90°–(50° − α))$ ⇒ $(4α − 50°) = 90°–(50° − α)$ ⇒ $4α − 50° = 40°+α$ ⇒ $3α = 90°$ ⇒ $α = 30°$ Hence,
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