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
Which letter represents 'X' in the NATO Phonetic Alphabet?
Answer:
X-ray
'X-ray' represents the letter 'X'.
2
What is the Roman Numeral for 200?
Answer:
CC
C (100) + C (100) = 200. 'LL' is invalid because two L's equal 100, which is 'C'.
3
Which Roman Numeral represents 6?
Answer:
VI
5 (V) + 1 (I) = 6 (VI).
4
The ISBN-13 barcode has how many digits?
Answer:
13
As the name suggests, ISBN-13 contains 13 digits.
5
In the NATO Phonetic Alphabet, 'H' is represented by?
Answer:
Hotel
'Hotel' represents the letter 'H'.
6
What is the Roman Numeral for 49?
Answer:
XLIX
40 is XL, and 9 is IX. Combined: XLIX. (IL is an invalid subtraction).
7
Which of these is NOT a standard Roman Numeral symbol?
Answer:
K
'K' is not a standard Roman Numeral. 1000 is 'M', not 'K'.
8
What is the value of 'XXX' in Arabic numerals?
Answer:
30
X (10) + X (10) + X (10) = 30.
9
In the NATO Phonetic Alphabet, 'Yankee' stands for?
Answer:
Y
'Yankee' represents the letter 'Y'.
10
In Morse Code, a dash is approximately how many times longer than a dot?
Answer:
3 times
The duration of a dash is three times the duration of a dot.