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Caffeine (C₈H₁₀N₄O₂) is a central nervous system stimulant from the methylxanthine class that enhances cognitive function, alertness, and attention. It functions by blocking adenosine receptors, which increases the release of acetylcholine, a neurotransmitter. Caffeine stimulates the central nervous system, heart, muscles, and blood pressure control centers. It is naturally present in coffee, tea, cocoa, and numerous other products including guarana and yerba mate. In total, caffeine can be found in over 60 different products consumed worldwide.
Statements:Some fishes are octopus.
All octopuses are crocodiles.
Some crocodiles are families.
Conclusions:I. some crocodiles are ...
Statements:
No parrot is an eagle.
Some eagles are hens.
Conclusions:
I. Some parrots are not hens.
II. ...
Statements:
Only a few spiders are insects.
All insects are ant.
Some ant are pesticides.
Only a few pesticides are bees.
Statements:
Some medals are sports.
All the sports are games.
Conclusions:
I. Some medals are games.
II. No sport is medal
Statements: Some pins are mirrors.
All mirrors are boxes.
Conclusions:I. Some boxes are pins.
II. Some boxes are mirrors.
Statements:
No cabin is a room.
All rooms are houses.
No house is a flat.
Some flats are apartments.
Conc...
Which of the following statements is/are true regarding K?
Which of the following box was placed at a gap of two boxes from 5 star chocolate box?
Statement
Only a few A is B
No B is C
Some C is D
Conclusion
I) All A can never be C
II) All B c...
Statements:
All districts are towns.
No town is a city.
All cities are centres.
Conclusion:
I. Some towns are dis...
