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
Solve for x: 6x + 13 = 201.
Answer:
31.33
Step-by-step solution: 1. Subtract 13 from both sides: 6x = 188. 2. Divide both sides by 6: x = (188)/6. 3. x = 31.33.
82
Solve for x: 4x + 15 = 77.
Answer:
15.5
Step-by-step solution: 1. Subtract 15 from both sides: 4x = 62. 2. Divide both sides by 4: x = (62)/4. 3. x = 15.5.
83
Solve for x: 3x + 12 = 115.
Answer:
34.33
Step-by-step solution: 1. Subtract 12 from both sides: 3x = 103. 2. Divide both sides by 3: x = (103)/3. 3. x = 34.33.
84
Solve for x: 6x + 12 = 191.
Answer:
29.83
Step-by-step solution: 1. Subtract 12 from both sides: 6x = 179. 2. Divide both sides by 6: x = (179)/6. 3. x = 29.83.
85
Solve for x: 7x + 17 = 173.
Answer:
22.29
Step-by-step solution: 1. Subtract 17 from both sides: 7x = 156. 2. Divide both sides by 7: x = (156)/7. 3. x = 22.29.
86
Solve for x: 5x + 16 = 89.
Answer:
14.6
Step-by-step solution: 1. Subtract 16 from both sides: 5x = 73. 2. Divide both sides by 5: x = (73)/5. 3. x = 14.6.
87
Solve for x: 4x + 13 = 127.
Answer:
28.5
Step-by-step solution: 1. Subtract 13 from both sides: 4x = 114. 2. Divide both sides by 4: x = (114)/4. 3. x = 28.5.
88
Solve for x: 4x + 18 = 177.
Answer:
39.75
Step-by-step solution: 1. Subtract 18 from both sides: 4x = 159. 2. Divide both sides by 4: x = (159)/4. 3. x = 39.75.
89
Solve for x: 6x + 17 = 101.
Answer:
14.0
Step-by-step solution: 1. Subtract 17 from both sides: 6x = 84. 2. Divide both sides by 6: x = (84)/6. 3. x = 14.0.
90
Solve for x: 3x + 15 = 145.
Answer:
43.33
Step-by-step solution: 1. Subtract 15 from both sides: 3x = 130. 2. Divide both sides by 3: x = (130)/3. 3. x = 43.33.