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
1
The present age of A is 26 years and he is 11 years older than B. What will be the sum of their ages after 6 years?
Answer:
53
Step-by-step solution: 1. B's present age = 26 - 11 = 15. 2. A's age after 6 years = 26 + 6. 3. B's age after 6 years = 15 + 6. 4. Sum = (26 + 6) + (15 + 6) = 53.
2
The present age of A is 26 years and he is 9 years older than B. What will be the sum of their ages after 6 years?
Answer:
55
Step-by-step solution: 1. B's present age = 26 - 9 = 17. 2. A's age after 6 years = 26 + 6. 3. B's age after 6 years = 17 + 6. 4. Sum = (26 + 6) + (17 + 6) = 55.
3
The present age of A is 20 years and he is 8 years older than B. What will be the sum of their ages after 5 years?
Answer:
42
Step-by-step solution: 1. B's present age = 20 - 8 = 12. 2. A's age after 5 years = 20 + 5. 3. B's age after 5 years = 12 + 5. 4. Sum = (20 + 5) + (12 + 5) = 42.
4
The present age of A is 21 years and he is 8 years older than B. What will be the sum of their ages after 6 years?
Answer:
46
Step-by-step solution: 1. B's present age = 21 - 8 = 13. 2. A's age after 6 years = 21 + 6. 3. B's age after 6 years = 13 + 6. 4. Sum = (21 + 6) + (13 + 6) = 46.
5
The present age of A is 34 years and he is 6 years older than B. What will be the sum of their ages after 9 years?
Answer:
80
Step-by-step solution: 1. B's present age = 34 - 6 = 28. 2. A's age after 9 years = 34 + 9. 3. B's age after 9 years = 28 + 9. 4. Sum = (34 + 9) + (28 + 9) = 80.
6
The present age of A is 24 years and he is 10 years older than B. What will be the sum of their ages after 9 years?
Answer:
56
Step-by-step solution: 1. B's present age = 24 - 10 = 14. 2. A's age after 9 years = 24 + 9. 3. B's age after 9 years = 14 + 9. 4. Sum = (24 + 9) + (14 + 9) = 56.
7
The present age of A is 24 years and he is 7 years older than B. What will be the sum of their ages after 9 years?
Answer:
59
Step-by-step solution: 1. B's present age = 24 - 7 = 17. 2. A's age after 9 years = 24 + 9. 3. B's age after 9 years = 17 + 9. 4. Sum = (24 + 9) + (17 + 9) = 59.
8
The present age of A is 25 years and he is 10 years older than B. What will be the sum of their ages after 5 years?
Answer:
50
Step-by-step solution: 1. B's present age = 25 - 10 = 15. 2. A's age after 5 years = 25 + 5. 3. B's age after 5 years = 15 + 5. 4. Sum = (25 + 5) + (15 + 5) = 50.
9
The present age of A is 25 years and he is 9 years older than B. What will be the sum of their ages after 5 years?
Answer:
51
Step-by-step solution: 1. B's present age = 25 - 9 = 16. 2. A's age after 5 years = 25 + 5. 3. B's age after 5 years = 16 + 5. 4. Sum = (25 + 5) + (16 + 5) = 51.
10
The present age of A is 28 years and he is 8 years older than B. What will be the sum of their ages after 8 years?
Answer:
64
Step-by-step solution: 1. B's present age = 28 - 8 = 20. 2. A's age after 8 years = 28 + 8. 3. B's age after 8 years = 20 + 8. 4. Sum = (28 + 8) + (20 + 8) = 64.