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
81
Evaluate 316 - 104.
Answer:
212
Step-by-step solution: 1. Align the numbers vertically. 2. Subtract the ones, tens, and hundreds to obtain 212. 3. Confirm the result: 316 - 104 = 212.
82
Evaluate 312 + 81.
Answer:
393
Step-by-step solution: 1. Add the ones place: 2 + 1. 2. Add the tens and hundreds to get 393. 3. Therefore, 312 + 81 = 393.
83
Evaluate 204 - 76.
Answer:
128
Step-by-step solution: 1. Align the numbers vertically. 2. Subtract the ones, tens, and hundreds to obtain 128. 3. Confirm the result: 204 - 76 = 128.
84
Compute 12 * 10.
Answer:
120
Step-by-step solution: 1. Multiply 12 by 10. 2. Break the multiplication into tens and ones for clarity. 3. Combine partial products to get 120.
85
Compute 20 * 12.
Answer:
240
Step-by-step solution: 1. Multiply 20 by 12. 2. Break the multiplication into tens and ones for clarity. 3. Combine partial products to get 240.
86
Compute 25 * 12.
Answer:
300
Step-by-step solution: 1. Multiply 25 by 12. 2. Break the multiplication into tens and ones for clarity. 3. Combine partial products to get 300.
87
Evaluate 300 - 100.
Answer:
200
Step-by-step solution: 1. Align the numbers vertically. 2. Subtract the ones, tens, and hundreds to obtain 200. 3. Confirm the result: 300 - 100 = 200.
88
Evaluate 460 - 80.
Answer:
380
Step-by-step solution: 1. Align the numbers vertically. 2. Subtract the ones, tens, and hundreds to obtain 380. 3. Confirm the result: 460 - 80 = 380.
89
Evaluate 168 + 69.
Answer:
237
Step-by-step solution: 1. Add the ones place: 8 + 9. 2. Add the tens and hundreds to get 237. 3. Therefore, 168 + 69 = 237.
90
What is 77 / 7?
Answer:
11
Step-by-step solution: 1. Recognize that division asks how many times 7 fits into 77. 2. 77 = 7 * 11. 3. So, 77 / 7 = 11.