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
31
The present age of A is 25 years and he is 6 years older than B. What will be the sum of their ages after 5 years?
Answer:
54
Step-by-step solution: 1. B's present age = 25 - 6 = 19. 2. A's age after 5 years = 25 + 5. 3. B's age after 5 years = 19 + 5. 4. Sum = (25 + 5) + (19 + 5) = 54.
32
The present age of A is 20 years and he is 7 years older than B. What will be the sum of their ages after 5 years?
Answer:
43
Step-by-step solution: 1. B's present age = 20 - 7 = 13. 2. A's age after 5 years = 20 + 5. 3. B's age after 5 years = 13 + 5. 4. Sum = (20 + 5) + (13 + 5) = 43.
33
The present age of A is 26 years and he is 7 years older than B. What will be the sum of their ages after 6 years?
Answer:
57
Step-by-step solution: 1. B's present age = 26 - 7 = 19. 2. A's age after 6 years = 26 + 6. 3. B's age after 6 years = 19 + 6. 4. Sum = (26 + 6) + (19 + 6) = 57.
34
The present age of A is 25 years and he is 7 years older than B. What will be the sum of their ages after 5 years?
Answer:
53
Step-by-step solution: 1. B's present age = 25 - 7 = 18. 2. A's age after 5 years = 25 + 5. 3. B's age after 5 years = 18 + 5. 4. Sum = (25 + 5) + (18 + 5) = 53.
35
The present age of A is 23 years and he is 13 years older than B. What will be the sum of their ages after 8 years?
Answer:
49
Step-by-step solution: 1. B's present age = 23 - 13 = 10. 2. A's age after 8 years = 23 + 8. 3. B's age after 8 years = 10 + 8. 4. Sum = (23 + 8) + (10 + 8) = 49.
36
The present age of A is 27 years and he is 7 years older than B. What will be the sum of their ages after 7 years?
Answer:
61
Step-by-step solution: 1. B's present age = 27 - 7 = 20. 2. A's age after 7 years = 27 + 7. 3. B's age after 7 years = 20 + 7. 4. Sum = (27 + 7) + (20 + 7) = 61.
37
The present age of A is 29 years and he is 13 years older than B. What will be the sum of their ages after 9 years?
Answer:
63
Step-by-step solution: 1. B's present age = 29 - 13 = 16. 2. A's age after 9 years = 29 + 9. 3. B's age after 9 years = 16 + 9. 4. Sum = (29 + 9) + (16 + 9) = 63.
38
The present age of A is 20 years and he is 13 years older than B. What will be the sum of their ages after 5 years?
Answer:
37
Step-by-step solution: 1. B's present age = 20 - 13 = 7. 2. A's age after 5 years = 20 + 5. 3. B's age after 5 years = 7 + 5. 4. Sum = (20 + 5) + (7 + 5) = 37.
39
The present age of A is 34 years and he is 9 years older than B. What will be the sum of their ages after 9 years?
Answer:
77
Step-by-step solution: 1. B's present age = 34 - 9 = 25. 2. A's age after 9 years = 34 + 9. 3. B's age after 9 years = 25 + 9. 4. Sum = (34 + 9) + (25 + 9) = 77.
40
The present age of A is 32 years and he is 7 years older than B. What will be the sum of their ages after 7 years?
Answer:
71
Step-by-step solution: 1. B's present age = 32 - 7 = 25. 2. A's age after 7 years = 32 + 7. 3. B's age after 7 years = 25 + 7. 4. Sum = (32 + 7) + (25 + 7) = 71.