Mathematics/General Ability MCQs
Topic Notes: Mathematics/General Ability
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
121
Find the approximate value: 6.98^2 / sqrt(48.95).
Answer:
7
Approximate to 7^2 / sqrt(49). This becomes 49 / 7 = 7.
122
What approximate value should come in place of x: sqrt(120.98) + sqrt(168.95) = x.
Answer:
24
Approximate to nearest perfect squares: sqrt(121) + sqrt(169). Evaluate roots: 11 + 13 = 24.
123
Approximate: 5.99^2 - sqrt(24.98).
Answer:
31
Approximate to 6^2 - sqrt(25). Evaluate power and root: 36 - 5 = 31.
124
Find the approximate value: sqrt(80.95) * sqrt(16.02).
Answer:
36
Approximate to sqrt(81) * sqrt(16). Evaluate roots: 9 * 4 = 36.
125
What approximate value should come in place of the question mark: 2.99^3 + 5.01 = ?
Answer:
32
Approximate to 3^3 + 5. Calculate power: 27 + 5 = 32.
126
Approximate the value of: sqrt(399.95) * 2.01.
Answer:
40
Approximate to sqrt(400) * 2. Evaluate root first: 20 * 2 = 40.
127
Find the approximate value: 9.99^2 / 4.95.
Answer:
20
Approximate to 10^2 / 5. This evaluates to 100 / 5 = 20.
128
What approximate value should come in place of x: 4.98^2 + 3.01^2 = x.
Answer:
34
Approximate to 5^2 + 3^2. Calculate powers: 25 + 9 = 34.
129
Approximate: sqrt(224.98) - 4.99.
Answer:
10
Approximate to sqrt(225) - 5. This evaluates to 15 - 5 = 10.
130
Find the approximate value: sqrt(143.95) + 8.01.
Answer:
20
Approximate to sqrt(144) + 8. This becomes 12 + 8 = 20.