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
41
Calculate the compound interest on ₹22400 at 10% p.a. for 5 years (compounded annually).
Answer:
₹13675.42
Step-by-step solution: 1. Compound amount = Principal * (1 + rate/100)^time. 2. Amount = 22400 * (1 + 10/100)^5. 3. Compound interest = Amount - Principal = ₹13675.42.
42
Calculate the compound interest on ₹10800 at 12% p.a. for 5 years (compounded annually).
Answer:
₹8233.29
Step-by-step solution: 1. Compound amount = Principal * (1 + rate/100)^time. 2. Amount = 10800 * (1 + 12/100)^5. 3. Compound interest = Amount - Principal = ₹8233.29.
43
Calculate the compound interest on ₹24400 at 10% p.a. for 4 years (compounded annually).
Answer:
₹11324.04
Step-by-step solution: 1. Compound amount = Principal * (1 + rate/100)^time. 2. Amount = 24400 * (1 + 10/100)^4. 3. Compound interest = Amount - Principal = ₹11324.04.
44
Calculate the compound interest on ₹6800 at 12% p.a. for 4 years (compounded annually).
Answer:
₹3899.93
Step-by-step solution: 1. Compound amount = Principal * (1 + rate/100)^time. 2. Amount = 6800 * (1 + 12/100)^4. 3. Compound interest = Amount - Principal = ₹3899.93.
45
Calculate the compound interest on ₹16800 at 12% p.a. for 5 years (compounded annually).
Answer:
₹12807.34
Step-by-step solution: 1. Compound amount = Principal * (1 + rate/100)^time. 2. Amount = 16800 * (1 + 12/100)^5. 3. Compound interest = Amount - Principal = ₹12807.34.
46
Calculate the compound interest on ₹6000 at 8% p.a. for 4 years (compounded annually).
Answer:
₹2162.93
Step-by-step solution: 1. Compound amount = Principal * (1 + rate/100)^time. 2. Amount = 6000 * (1 + 8/100)^4. 3. Compound interest = Amount - Principal = ₹2162.93.
47
Calculate the simple interest on ₹21800 at 12% p.a. for 4 years.
Answer:
₹10464.0
Step-by-step solution: 1. Simple interest = (Principal * Rate * Time) / 100. 2. Substitute values: (21800 * 12 * 4) / 100. 3. Simple interest = ₹10464.0.
48
Calculate the compound interest on ₹8800 at 12% p.a. for 3 years (compounded annually).
Answer:
₹3563.37
Step-by-step solution: 1. Compound amount = Principal * (1 + rate/100)^time. 2. Amount = 8800 * (1 + 12/100)^3. 3. Compound interest = Amount - Principal = ₹3563.37.
49
Calculate the compound interest on ₹10400 at 10% p.a. for 5 years (compounded annually).
Answer:
₹6349.3
Step-by-step solution: 1. Compound amount = Principal * (1 + rate/100)^time. 2. Amount = 10400 * (1 + 10/100)^5. 3. Compound interest = Amount - Principal = ₹6349.3.
50
Calculate the simple interest on ₹17000 at 8% p.a. for 3 years.
Answer:
₹4080.0
Step-by-step solution: 1. Simple interest = (Principal * Rate * Time) / 100. 2. Substitute values: (17000 * 8 * 3) / 100. 3. Simple interest = ₹4080.0.