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
21
Solve for x: 7x + 16 = 233.
Answer:
31.0
Step-by-step solution: 1. Subtract 16 from both sides: 7x = 217. 2. Divide both sides by 7: x = (217)/7. 3. x = 31.0.
22
Solve for x: 4x + 14 = 137.
Answer:
30.75
Step-by-step solution: 1. Subtract 14 from both sides: 4x = 123. 2. Divide both sides by 4: x = (123)/4. 3. x = 30.75.
23
Solve for x: 5x + 12 = 189.
Answer:
35.4
Step-by-step solution: 1. Subtract 12 from both sides: 5x = 177. 2. Divide both sides by 5: x = (177)/5. 3. x = 35.4.
24
Solve for x: 3x + 13 = 125.
Answer:
37.33
Step-by-step solution: 1. Subtract 13 from both sides: 3x = 112. 2. Divide both sides by 3: x = (112)/3. 3. x = 37.33.
25
Solve for x: 3x + 14 = 65.
Answer:
17.0
Step-by-step solution: 1. Subtract 14 from both sides: 3x = 51. 2. Divide both sides by 3: x = (51)/3. 3. x = 17.0.
26
Solve for x: 4x + 14 = 207.
Answer:
48.25
Step-by-step solution: 1. Subtract 14 from both sides: 4x = 193. 2. Divide both sides by 4: x = (193)/4. 3. x = 48.25.
27
Solve for x: 7x + 13 = 203.
Answer:
27.14
Step-by-step solution: 1. Subtract 13 from both sides: 7x = 190. 2. Divide both sides by 7: x = (190)/7. 3. x = 27.14.
28
Solve for x: 6x + 14 = 211.
Answer:
32.83
Step-by-step solution: 1. Subtract 14 from both sides: 6x = 197. 2. Divide both sides by 6: x = (197)/6. 3. x = 32.83.
29
Solve for x: 6x + 15 = 81.
Answer:
11.0
Step-by-step solution: 1. Subtract 15 from both sides: 6x = 66. 2. Divide both sides by 6: x = (66)/6. 3. x = 11.0.
30
Solve for x: 5x + 15 = 79.
Answer:
12.8
Step-by-step solution: 1. Subtract 15 from both sides: 5x = 64. 2. Divide both sides by 5: x = (64)/5. 3. x = 12.8.