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
91
Food for 20 men lasts 33 days. If 6 more men join, for how many days will the food last?
Answer:
25.38
Step-by-step solution: 1. Food measured in man-days = 20 * 33 = 660. 2. New number of men = 20 + 6 = 26. 3. New days = man-days / new men = 660 / 26 = 25.38.
92
Food for 19 men lasts 31 days. If 9 more men join, for how many days will the food last?
Answer:
21.04
Step-by-step solution: 1. Food measured in man-days = 19 * 31 = 589. 2. New number of men = 19 + 9 = 28. 3. New days = man-days / new men = 589 / 28 = 21.04.
93
Food for 22 men lasts 34 days. If 8 more men join, for how many days will the food last?
Answer:
24.93
Step-by-step solution: 1. Food measured in man-days = 22 * 34 = 748. 2. New number of men = 22 + 8 = 30. 3. New days = man-days / new men = 748 / 30 = 24.93.
94
Food for 23 men lasts 30 days. If 6 more men join, for how many days will the food last?
Answer:
23.79
Step-by-step solution: 1. Food measured in man-days = 23 * 30 = 690. 2. New number of men = 23 + 6 = 29. 3. New days = man-days / new men = 690 / 29 = 23.79.
95
Food for 24 men lasts 31 days. If 6 more men join, for how many days will the food last?
Answer:
24.8
Step-by-step solution: 1. Food measured in man-days = 24 * 31 = 744. 2. New number of men = 24 + 6 = 30. 3. New days = man-days / new men = 744 / 30 = 24.8.
96
Food for 20 men lasts 34 days. If 8 more men join, for how many days will the food last?
Answer:
24.29
Step-by-step solution: 1. Food measured in man-days = 20 * 34 = 680. 2. New number of men = 20 + 8 = 28. 3. New days = man-days / new men = 680 / 28 = 24.29.
97
Food for 18 men lasts 30 days. If 8 more men join, for how many days will the food last?
Answer:
20.77
Step-by-step solution: 1. Food measured in man-days = 18 * 30 = 540. 2. New number of men = 18 + 8 = 26. 3. New days = man-days / new men = 540 / 26 = 20.77.
98
Food for 19 men lasts 31 days. If 6 more men join, for how many days will the food last?
Answer:
23.56
Step-by-step solution: 1. Food measured in man-days = 19 * 31 = 589. 2. New number of men = 19 + 6 = 25. 3. New days = man-days / new men = 589 / 25 = 23.56.
99
Food for 18 men lasts 34 days. If 9 more men join, for how many days will the food last?
Answer:
22.67
Step-by-step solution: 1. Food measured in man-days = 18 * 34 = 612. 2. New number of men = 18 + 9 = 27. 3. New days = man-days / new men = 612 / 27 = 22.67.
100
Food for 18 men lasts 33 days. If 9 more men join, for how many days will the food last?
Answer:
22.0
Step-by-step solution: 1. Food measured in man-days = 18 * 33 = 594. 2. New number of men = 18 + 9 = 27. 3. New days = man-days / new men = 594 / 27 = 22.0.