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
51
If 12 : 22 :: 222 : x, find x.
Answer:
407.0
Step-by-step solution: 1. Use the property of proportions: a/b = c/x. 2. Cross-multiply: x = (b * c) / a = (22 * 222) / 12. 3. Compute x = 407.0.
52
If 14 : 22 :: 226 : x, find x.
Answer:
355.14
Step-by-step solution: 1. Use the property of proportions: a/b = c/x. 2. Cross-multiply: x = (b * c) / a = (22 * 226) / 14. 3. Compute x = 355.14.
53
If 12 : 19 :: 250 : x, find x.
Answer:
395.83
Step-by-step solution: 1. Use the property of proportions: a/b = c/x. 2. Cross-multiply: x = (b * c) / a = (19 * 250) / 12. 3. Compute x = 395.83.
54
If 16 : 19 :: 188 : x, find x.
Answer:
223.25
Step-by-step solution: 1. Use the property of proportions: a/b = c/x. 2. Cross-multiply: x = (b * c) / a = (19 * 188) / 16. 3. Compute x = 223.25.
55
If 12 : 20 :: 264 : x, find x.
Answer:
440.0
Step-by-step solution: 1. Use the property of proportions: a/b = c/x. 2. Cross-multiply: x = (b * c) / a = (20 * 264) / 12. 3. Compute x = 440.0.
56
If 14 : 18 :: 100 : x, find x.
Answer:
128.57
Step-by-step solution: 1. Use the property of proportions: a/b = c/x. 2. Cross-multiply: x = (b * c) / a = (18 * 100) / 14. 3. Compute x = 128.57.
57
If 15 : 21 :: 214 : x, find x.
Answer:
299.6
Step-by-step solution: 1. Use the property of proportions: a/b = c/x. 2. Cross-multiply: x = (b * c) / a = (21 * 214) / 15. 3. Compute x = 299.6.
58
If 18 : 18 :: 108 : x, find x.
Answer:
108.0
Step-by-step solution: 1. Use the property of proportions: a/b = c/x. 2. Cross-multiply: x = (b * c) / a = (18 * 108) / 18. 3. Compute x = 108.0.
59
If 14 : 19 :: 114 : x, find x.
Answer:
154.71
Step-by-step solution: 1. Use the property of proportions: a/b = c/x. 2. Cross-multiply: x = (b * c) / a = (19 * 114) / 14. 3. Compute x = 154.71.
60
If 14 : 21 :: 282 : x, find x.
Answer:
423.0
Step-by-step solution: 1. Use the property of proportions: a/b = c/x. 2. Cross-multiply: x = (b * c) / a = (21 * 282) / 14. 3. Compute x = 423.0.