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
71
A train 180 m long moves at 63 km/h. How long does it take to pass a platform of length 243 m?
Answer:
24.17
Step-by-step solution: 1. Relative distance to cover = train length + platform length. 2. Convert speed to m/s: 63 * (1000/3600) = 17.50 m/s. 3. Time = Distance / Speed = (180 + 243) / 17.50 = 24.17 s.
72
A train 400 m long moves at 79 km/h. How long does it take to pass a platform of length 299 m?
Answer:
31.85
Step-by-step solution: 1. Relative distance to cover = train length + platform length. 2. Convert speed to m/s: 79 * (1000/3600) = 21.94 m/s. 3. Time = Distance / Speed = (400 + 299) / 21.94 = 31.85 s.
73
A train 400 m long moves at 75 km/h. How long does it take to pass a platform of length 295 m?
Answer:
33.36
Step-by-step solution: 1. Relative distance to cover = train length + platform length. 2. Convert speed to m/s: 75 * (1000/3600) = 20.83 m/s. 3. Time = Distance / Speed = (400 + 295) / 20.83 = 33.36 s.
74
A train 460 m long moves at 92 km/h. How long does it take to pass a platform of length 252 m?
Answer:
27.86
Step-by-step solution: 1. Relative distance to cover = train length + platform length. 2. Convert speed to m/s: 92 * (1000/3600) = 25.56 m/s. 3. Time = Distance / Speed = (460 + 252) / 25.56 = 27.86 s.
75
A train 340 m long moves at 64 km/h. How long does it take to pass a platform of length 284 m?
Answer:
35.1
Step-by-step solution: 1. Relative distance to cover = train length + platform length. 2. Convert speed to m/s: 64 * (1000/3600) = 17.78 m/s. 3. Time = Distance / Speed = (340 + 284) / 17.78 = 35.1 s.
76
A train 420 m long moves at 81 km/h. How long does it take to pass a platform of length 241 m?
Answer:
29.38
Step-by-step solution: 1. Relative distance to cover = train length + platform length. 2. Convert speed to m/s: 81 * (1000/3600) = 22.50 m/s. 3. Time = Distance / Speed = (420 + 241) / 22.50 = 29.38 s.
77
A train 320 m long moves at 98 km/h. How long does it take to pass a platform of length 278 m?
Answer:
21.97
Step-by-step solution: 1. Relative distance to cover = train length + platform length. 2. Convert speed to m/s: 98 * (1000/3600) = 27.22 m/s. 3. Time = Distance / Speed = (320 + 278) / 27.22 = 21.97 s.
78
A train 380 m long moves at 73 km/h. How long does it take to pass a platform of length 293 m?
Answer:
33.19
Step-by-step solution: 1. Relative distance to cover = train length + platform length. 2. Convert speed to m/s: 73 * (1000/3600) = 20.28 m/s. 3. Time = Distance / Speed = (380 + 293) / 20.28 = 33.19 s.
79
A train 560 m long moves at 76 km/h. How long does it take to pass a platform of length 276 m?
Answer:
39.6
Step-by-step solution: 1. Relative distance to cover = train length + platform length. 2. Convert speed to m/s: 76 * (1000/3600) = 21.11 m/s. 3. Time = Distance / Speed = (560 + 276) / 21.11 = 39.6 s.
80
A train 300 m long moves at 93 km/h. How long does it take to pass a platform of length 273 m?
Answer:
22.18
Step-by-step solution: 1. Relative distance to cover = train length + platform length. 2. Convert speed to m/s: 93 * (1000/3600) = 25.83 m/s. 3. Time = Distance / Speed = (300 + 273) / 25.83 = 22.18 s.