General Knowledge MCQs
Topic Notes: General Knowledge
MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.
Plato
- Biography: Ancient Greek philosopher (427–347 BCE), student of Socrates and teacher of Aristotle, founder of the Academy in Athens.
- Important Ideas:
- Theory of Forms
- Philosopher-King
- Ideal State
1
How many centimeters are in a foot (approx)?
Answer:
30.48 cm
Since 1 inch is 2.54 cm and there are 12 inches in a foot, $12 imes 2.54 = 30.48$ cm.
2
One 'Cord' is a unit of measure for:
Answer:
Firewood volume
A cord is a unit of dry volume used to measure firewood. One cord is 128 cubic feet ($4 imes 4 imes 8$ feet).
3
One 'Slug' is an Imperial unit of:
Answer:
Mass
A slug is a unit of mass in the Imperial system. One slug accelerates by $1 ft/s^2$ when a force of 1 pound-force (lbf) is exerted on it. It is approx 14.59 kg.
4
How many degrees are in a full circle?
Answer:
360
A full circle consists of 360 degrees.
5
One 'Astronomical Unit' (AU) is the average distance between:
Answer:
The Sun and the Earth
One AU is approximately 149.6 million km, defined as the mean distance between the Earth and the Sun.
6
How many seconds are in one hour?
Answer:
3600
There are 60 seconds in a minute and 60 minutes in an hour, so $60 imes 60 = 3600$ seconds.
7
One cable length (nautical) is usually defined as:
Answer:
100 fathoms
A cable length is a nautical unit of measure equal to one tenth of a nautical mile or approximately 100 fathoms (600-608 feet).
8
One Terabyte (TB) is equal to how many Gigabytes (GB) in binary terms?
Answer:
1024 GB
In binary prefixes, 1 Terabyte is equal to 1,024 Gigabytes.
9
What is the equivalent of 1 Mach?
Answer:
Speed of sound
Mach 1 is the speed of sound through a fluid (like air), which is approximately 343 m/s or 767 mph at sea level.
10
How many sheets of paper are traditionally in a 'Ream'?
Answer:
480 or 500
A ream of paper was historically 480 sheets (20 quires of 24), but the modern standard is usually 500 sheets.