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
Calculate the compound interest on ₹18400 at 10% p.a. for 4 years (compounded annually).
Answer:
₹8539.44
Step-by-step solution: 1. Compound amount = Principal * (1 + rate/100)^time. 2. Amount = 18400 * (1 + 10/100)^4. 3. Compound interest = Amount - Principal = ₹8539.44.
2
Calculate the compound interest on ₹16400 at 10% p.a. for 5 years (compounded annually).
Answer:
₹10012.36
Step-by-step solution: 1. Compound amount = Principal * (1 + rate/100)^time. 2. Amount = 16400 * (1 + 10/100)^5. 3. Compound interest = Amount - Principal = ₹10012.36.
3
Calculate the simple interest on ₹19800 at 12% p.a. for 5 years.
Answer:
₹11880.0
Step-by-step solution: 1. Simple interest = (Principal * Rate * Time) / 100. 2. Substitute values: (19800 * 12 * 5) / 100. 3. Simple interest = ₹11880.0.
4
Calculate the simple interest on ₹10200 at 9% p.a. for 5 years.
Answer:
₹4590.0
Step-by-step solution: 1. Simple interest = (Principal * Rate * Time) / 100. 2. Substitute values: (10200 * 9 * 5) / 100. 3. Simple interest = ₹4590.0.
5
Calculate the compound interest on ₹22000 at 8% p.a. for 5 years (compounded annually).
Answer:
₹10325.22
Step-by-step solution: 1. Compound amount = Principal * (1 + rate/100)^time. 2. Amount = 22000 * (1 + 8/100)^5. 3. Compound interest = Amount - Principal = ₹10325.22.
6
Calculate the compound interest on ₹10000 at 8% p.a. for 5 years (compounded annually).
Answer:
₹4693.28
Step-by-step solution: 1. Compound amount = Principal * (1 + rate/100)^time. 2. Amount = 10000 * (1 + 8/100)^5. 3. Compound interest = Amount - Principal = ₹4693.28.
7
Calculate the compound interest on ₹9600 at 11% p.a. for 4 years (compounded annually).
Answer:
₹4973.48
Step-by-step solution: 1. Compound amount = Principal * (1 + rate/100)^time. 2. Amount = 9600 * (1 + 11/100)^4. 3. Compound interest = Amount - Principal = ₹4973.48.
8
Calculate the compound interest on ₹24800 at 12% p.a. for 4 years (compounded annually).
Answer:
₹14223.28
Step-by-step solution: 1. Compound amount = Principal * (1 + rate/100)^time. 2. Amount = 24800 * (1 + 12/100)^4. 3. Compound interest = Amount - Principal = ₹14223.28.
9
Calculate the simple interest on ₹16200 at 9% p.a. for 5 years.
Answer:
₹7290.0
Step-by-step solution: 1. Simple interest = (Principal * Rate * Time) / 100. 2. Substitute values: (16200 * 9 * 5) / 100. 3. Simple interest = ₹7290.0.
10
Calculate the simple interest on ₹8600 at 11% p.a. for 3 years.
Answer:
₹2838.0
Step-by-step solution: 1. Simple interest = (Principal * Rate * Time) / 100. 2. Substitute values: (8600 * 11 * 3) / 100. 3. Simple interest = ₹2838.0.