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
Solve for x: 6x + 16 = 91.
Answer:
12.5
Step-by-step solution: 1. Subtract 16 from both sides: 6x = 75. 2. Divide both sides by 6: x = (75)/6. 3. x = 12.5.
42
Solve for x: 5x + 12 = 49.
Answer:
7.4
Step-by-step solution: 1. Subtract 12 from both sides: 5x = 37. 2. Divide both sides by 5: x = (37)/5. 3. x = 7.4.
43
Solve for x: 7x + 12 = 193.
Answer:
25.86
Step-by-step solution: 1. Subtract 12 from both sides: 7x = 181. 2. Divide both sides by 7: x = (181)/7. 3. x = 25.86.
44
Solve for x: 7x + 13 = 133.
Answer:
17.14
Step-by-step solution: 1. Subtract 13 from both sides: 7x = 120. 2. Divide both sides by 7: x = (120)/7. 3. x = 17.14.
45
Solve for x: 5x + 16 = 159.
Answer:
28.6
Step-by-step solution: 1. Subtract 16 from both sides: 5x = 143. 2. Divide both sides by 5: x = (143)/5. 3. x = 28.6.
46
Solve for x: 4x + 18 = 107.
Answer:
22.25
Step-by-step solution: 1. Subtract 18 from both sides: 4x = 89. 2. Divide both sides by 4: x = (89)/4. 3. x = 22.25.
47
Solve for x: 5x + 17 = 169.
Answer:
30.4
Step-by-step solution: 1. Subtract 17 from both sides: 5x = 152. 2. Divide both sides by 5: x = (152)/5. 3. x = 30.4.
48
Solve for x: 4x + 17 = 237.
Answer:
55.0
Step-by-step solution: 1. Subtract 17 from both sides: 4x = 220. 2. Divide both sides by 4: x = (220)/4. 3. x = 55.0.
49
Solve for x: 3x + 17 = 235.
Answer:
72.67
Step-by-step solution: 1. Subtract 17 from both sides: 3x = 218. 2. Divide both sides by 3: x = (218)/3. 3. x = 72.67.
50
Solve for x: 3x + 14 = 205.
Answer:
63.67
Step-by-step solution: 1. Subtract 14 from both sides: 3x = 191. 2. Divide both sides by 3: x = (191)/3. 3. x = 63.67.