Question : What is the position of the circumcenter of an obtuse-angled triangle?
Option 1: It lies inside the triangle.
Option 2: It lies outside the triangle.
Option 3: It is the mid-point of the largest side.
Option 4: It is the vertex opposite to the largest side.
Correct Answer: It lies outside the triangle.
Solution : In an obtuse-angled triangle, the circumcenter lies outside of the triangle. Hence, the correct answer is "It lies outside the triangle".
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Question : Metal tea pots have wooden handles because:
Option 1: wood is bad conductor of heat
Option 2: it prevents electric shock
Option 3: it gives beauty to the pots
Option 4: it is hygenic
Question : Air is said to be saturated when -
Option 1: It contains the maximum content of water vapour.
Option 2: Its pressure is minimum.
Option 3: Its thickness is maximum.
Option 4: It blows over the barren land.
Question : The surface tension of water on adding detergent to it:
Option 1: increases
Option 2: decreases
Option 3: no change
Option 4: becomes zero
Question : Which of the following is not a regional name for the East Coast (or part of it) of India?
Option 1: Coromandel Coast
Option 2: Tamil Nadu coast
Option 3: Utkal coast
Option 4: Malabar Coast
Question : Which of the following is an incorrect statement regarding the meaning of 'Union of States' in the Indian context?
Option 1: The country was divided into different states for administrative convenience.
Option 2: Indian Federation was the result of an agreement by sovereign units to join it.
Option 3: Enumerates the power of centres and states through various lists.
Option 4: Federation not being the result of agreement, no state has a right to secede from it.
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