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
61
Solve for x: 6x + 16 = 161.
Answer:
24.17
Step-by-step solution: 1. Subtract 16 from both sides: 6x = 145. 2. Divide both sides by 6: x = (145)/6. 3. x = 24.17.
62
Solve for x: 4x + 12 = 47.
Answer:
8.75
Step-by-step solution: 1. Subtract 12 from both sides: 4x = 35. 2. Divide both sides by 4: x = (35)/4. 3. x = 8.75.
63
Solve for x: 5x + 12 = 119.
Answer:
21.4
Step-by-step solution: 1. Subtract 12 from both sides: 5x = 107. 2. Divide both sides by 5: x = (107)/5. 3. x = 21.4.
64
Solve for x: 6x + 16 = 231.
Answer:
35.83
Step-by-step solution: 1. Subtract 16 from both sides: 6x = 215. 2. Divide both sides by 6: x = (215)/6. 3. x = 35.83.
65
Solve for x: 6x + 15 = 221.
Answer:
34.33
Step-by-step solution: 1. Subtract 15 from both sides: 6x = 206. 2. Divide both sides by 6: x = (206)/6. 3. x = 34.33.
66
Solve for x: 5x + 16 = 229.
Answer:
42.6
Step-by-step solution: 1. Subtract 16 from both sides: 5x = 213. 2. Divide both sides by 5: x = (213)/5. 3. x = 42.6.
67
Solve for x: 5x + 13 = 129.
Answer:
23.2
Step-by-step solution: 1. Subtract 13 from both sides: 5x = 116. 2. Divide both sides by 5: x = (116)/5. 3. x = 23.2.
68
Solve for x: 7x + 18 = 113.
Answer:
13.57
Step-by-step solution: 1. Subtract 18 from both sides: 7x = 95. 2. Divide both sides by 7: x = (95)/7. 3. x = 13.57.
69
Solve for x: 7x + 12 = 123.
Answer:
15.86
Step-by-step solution: 1. Subtract 12 from both sides: 7x = 111. 2. Divide both sides by 7: x = (111)/7. 3. x = 15.86.
70
Solve for x: 3x + 12 = 185.
Answer:
57.67
Step-by-step solution: 1. Subtract 12 from both sides: 3x = 173. 2. Divide both sides by 3: x = (173)/3. 3. x = 57.67.