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
41
Evaluate 380 - 90.
Answer:
290
Step-by-step solution: 1. Align the numbers vertically. 2. Subtract the ones, tens, and hundreds to obtain 290. 3. Confirm the result: 380 - 90 = 290.
42
Compute 13 * 9.
Answer:
117
Step-by-step solution: 1. Multiply 13 by 9. 2. Break the multiplication into tens and ones for clarity. 3. Combine partial products to get 117.
43
Compute 18 * 9.
Answer:
162
Step-by-step solution: 1. Multiply 18 by 9. 2. Break the multiplication into tens and ones for clarity. 3. Combine partial products to get 162.
44
What is 154 / 11?
Answer:
14
Step-by-step solution: 1. Recognize that division asks how many times 11 fits into 154. 2. 154 = 11 * 14. 3. So, 154 / 11 = 14.
45
Evaluate 524 - 96.
Answer:
428
Step-by-step solution: 1. Align the numbers vertically. 2. Subtract the ones, tens, and hundreds to obtain 428. 3. Confirm the result: 524 - 96 = 428.
46
Evaluate 572 - 78.
Answer:
494
Step-by-step solution: 1. Align the numbers vertically. 2. Subtract the ones, tens, and hundreds to obtain 494. 3. Confirm the result: 572 - 78 = 494.
47
Evaluate 120 + 85.
Answer:
205
Step-by-step solution: 1. Add the ones place: 0 + 5. 2. Add the tens and hundreds to get 205. 3. Therefore, 120 + 85 = 205.
48
Compute 17 * 10.
Answer:
170
Step-by-step solution: 1. Multiply 17 by 10. 2. Break the multiplication into tens and ones for clarity. 3. Combine partial products to get 170.
49
Compute 14 * 13.
Answer:
182
Step-by-step solution: 1. Multiply 14 by 13. 2. Break the multiplication into tens and ones for clarity. 3. Combine partial products to get 182.
50
What is 66 / 11?
Answer:
6
Step-by-step solution: 1. Recognize that division asks how many times 11 fits into 66. 2. 66 = 11 * 6. 3. So, 66 / 11 = 6.