Questions

Q:

ΔPQR is right angled at Q. If cosecP = 25/24, then what is the value of cotR ?

A) 25/7 B) 24/25
C) 7/24 D) 24/7
 
Answer & Explanation Answer: D) 24/7

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Q:

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

 

When we respect (1)/ everyone’s spiritual identity, (2)/ we promote peace and happiness to all. (3)/ No error (4)

 

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: C) 3

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Filed Under: English
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Q:

Which of the following is NOT an example of potential energy?

A) Running water B) Water stored in a dam
C) A raised hammer D) A compressed spring
 
Answer & Explanation Answer: A) Running water

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Filed Under: Physics
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Q:

What is the range of frequencies of sound waves audible to human beings?

A) 16kHz to 200kHz B) 16Hz to 16kHz
C) 16Hz to 20kHz D) 14Hz to 20kHz
 
Answer & Explanation Answer: C) 16Hz to 20kHz

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Filed Under: Physics
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Q:

The diameter of the reflecting surface of a spherical mirror is called a/an

A) principal axis B) aperture
C) focus D) pole
 
Answer & Explanation Answer: B) aperture

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Filed Under: Physics
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Q:

Where are coins minted in India?

A) Delhi, Mumbai, Kolkata B) Delhi, Kolkata, Hyderabad
C) Mumbai, Delhi, Bangalore D) Mumbai, Kolkata, Hyderabad, NOIDA
 
Answer & Explanation Answer: D) Mumbai, Kolkata, Hyderabad, NOIDA

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Filed Under: General Awareness
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Q:

Which among the following is NOT an event during the photosynthesis process?

A) Absorption of light energy by chlorophyll B) Conversion of light energy to chemical energy
C) Splitting of water molecules into hydrogen and oxygen D) Oxidation of carbon dioxide to carbohydrates
 
Answer & Explanation Answer: D) Oxidation of carbon dioxide to carbohydrates

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Q:

Which process is not associated with mechanical weathering?

A) reactions with oxygen B) frost wedging
C) biological oxygen activity D) unloading
 
Answer & Explanation Answer: A) reactions with oxygen

Explanation:

The process that occurs when physical forces break rock into smaller pieces without changing the rock's chemical composition is called mechanical weathering.

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Filed Under: Chemistry
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