All Categories MCQs
Topic Notes: All Categories
General Description
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
3471
A runs 1000 m in 4 minutes, and B in 5 minutes. By what distance does A beat B?
Answer:
200 m
Step 1: A finishes in 240s. B finishes in 300s. Step 2: B's speed = 1000 / 300 = 10/3 m/s. Step 3: In 240 seconds, B covers (10/3) * 240 = 800 m. A beats B by 1000 - 800 = 200 m.
3472
A runs 1000 m in 3 minutes, and B in 3 minutes 20 seconds. By what distance does A beat B?
Answer:
100 m
Step 1: A finishes in 180s. B finishes in 200s. Step 2: B's speed = 1000 / 200 = 5 m/s. Step 3: In 180 seconds, B covers 5 * 180 = 900 m. A beats B by 1000 - 900 = 100 m.
3473
In a 400 m race, A takes 40 seconds and B takes 50 seconds. By what distance does A beat B?
Answer:
80 m
Step 1: A finishes in 40s. B finishes in 50s. Step 2: B's speed = 400 / 50 = 8 m/s. Step 3: In 40 seconds, B covers 8 * 40 = 320 m. A beats B by 400 - 320 = 80 m.
3474
In a 200 m race, A covers the distance in 20 seconds and B in 25 seconds. By what distance does A beat B?
Answer:
40 m
Step 1: A finishes in 20s. B finishes in 25s. Step 2: B's speed = 200 / 25 = 8 m/s. Step 3: In 20 seconds, B covers 8 * 20 = 160 m. A beats B by 200 - 160 = 40 m.
3475
In a 100 m race, A finishes in 20 seconds and B finishes in 25 seconds. By what distance does A beat B?
Answer:
20 m
Step 1: A finishes in 20s. B finishes in 25s. Step 2: B's speed = 100 / 25 = 4 m/s. Step 3: In 20 seconds, B covers 4 * 20 = 80 m. A beats B by 100 - 80 = 20 m.
3476
In a 100 m race, A covers the distance in 10 seconds and B in 12 seconds. By what distance does A beat B?
Answer:
16.67 m
Step 1: A finishes 100 m in 10 seconds. B finishes in 12 seconds. Step 2: B's speed = 100 / 12 m/s. Step 3: In A's time (10s), B covers (100/12) * 10 = 83.33 m. A beats B by 100 - 83.33 = 16.67 m.
3477
In a 100 m race, A beats B by 10 m or 2 seconds. What is A's time?
Answer:
18 seconds
Step 1: B covers the final 10 m in 2 seconds. Step 2: B's speed = 10 / 2 = 5 m/s. Step 3: B's total time = 100 / 5 = 20 seconds. A's time = 20 - 2 = 18 seconds.
3478
In a 1500 m race, A beats B by 300 m or 30 seconds. Find A's time.
Answer:
120 seconds
Step 1: B covers the final 300 m in 30 seconds. Step 2: B's speed = 300 / 30 = 10 m/s. Step 3: B's total time = 1500 / 10 = 150 seconds. A's time = 150 - 30 = 120 seconds.
3479
In a 200 m race, A beats B by 20 m or 4 seconds. What is A's time?
Answer:
36 seconds
Step 1: B covers the final 20 m in 4 seconds. Step 2: B's speed = 20 / 4 = 5 m/s. Step 3: B's total time = 200 / 5 = 40 seconds. A's time = 40 - 4 = 36 seconds.
3480
In a 1200 m race, A beats B by 120 m or 15 seconds. Find A's time.
Answer:
135 seconds
Step 1: B covers the last 120 m in 15 seconds. Step 2: B's speed = 120 / 15 = 8 m/s. Step 3: B's total time = 1200 / 8 = 150 seconds. A's time = 150 - 15 = 135 seconds.