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
61
The present age of A is 26 years and he is 6 years older than B. What will be the sum of their ages after 6 years?
Answer:
58
Step-by-step solution: 1. B's present age = 26 - 6 = 20. 2. A's age after 6 years = 26 + 6. 3. B's age after 6 years = 20 + 6. 4. Sum = (26 + 6) + (20 + 6) = 58.
62
The present age of A is 28 years and he is 13 years older than B. What will be the sum of their ages after 8 years?
Answer:
59
Step-by-step solution: 1. B's present age = 28 - 13 = 15. 2. A's age after 8 years = 28 + 8. 3. B's age after 8 years = 15 + 8. 4. Sum = (28 + 8) + (15 + 8) = 59.
63
The present age of A is 27 years and he is 9 years older than B. What will be the sum of their ages after 7 years?
Answer:
59
Step-by-step solution: 1. B's present age = 27 - 9 = 18. 2. A's age after 7 years = 27 + 7. 3. B's age after 7 years = 18 + 7. 4. Sum = (27 + 7) + (18 + 7) = 59.
64
The present age of A is 27 years and he is 10 years older than B. What will be the sum of their ages after 7 years?
Answer:
58
Step-by-step solution: 1. B's present age = 27 - 10 = 17. 2. A's age after 7 years = 27 + 7. 3. B's age after 7 years = 17 + 7. 4. Sum = (27 + 7) + (17 + 7) = 58.
65
The present age of A is 27 years and he is 6 years older than B. What will be the sum of their ages after 7 years?
Answer:
62
Step-by-step solution: 1. B's present age = 27 - 6 = 21. 2. A's age after 7 years = 27 + 7. 3. B's age after 7 years = 21 + 7. 4. Sum = (27 + 7) + (21 + 7) = 62.
66
The present age of A is 29 years and he is 11 years older than B. What will be the sum of their ages after 9 years?
Answer:
65
Step-by-step solution: 1. B's present age = 29 - 11 = 18. 2. A's age after 9 years = 29 + 9. 3. B's age after 9 years = 18 + 9. 4. Sum = (29 + 9) + (18 + 9) = 65.
67
The present age of A is 29 years and he is 7 years older than B. What will be the sum of their ages after 9 years?
Answer:
69
Step-by-step solution: 1. B's present age = 29 - 7 = 22. 2. A's age after 9 years = 29 + 9. 3. B's age after 9 years = 22 + 9. 4. Sum = (29 + 9) + (22 + 9) = 69.
68
The present age of A is 26 years and he is 10 years older than B. What will be the sum of their ages after 6 years?
Answer:
54
Step-by-step solution: 1. B's present age = 26 - 10 = 16. 2. A's age after 6 years = 26 + 6. 3. B's age after 6 years = 16 + 6. 4. Sum = (26 + 6) + (16 + 6) = 54.
69
The present age of A is 22 years and he is 6 years older than B. What will be the sum of their ages after 7 years?
Answer:
52
Step-by-step solution: 1. B's present age = 22 - 6 = 16. 2. A's age after 7 years = 22 + 7. 3. B's age after 7 years = 16 + 7. 4. Sum = (22 + 7) + (16 + 7) = 52.
70
The present age of A is 21 years and he is 6 years older than B. What will be the sum of their ages after 6 years?
Answer:
48
Step-by-step solution: 1. B's present age = 21 - 6 = 15. 2. A's age after 6 years = 21 + 6. 3. B's age after 6 years = 15 + 6. 4. Sum = (21 + 6) + (15 + 6) = 48.