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
91
Calculate the compound interest on ₹17600 at 11% p.a. for 3 years (compounded annually).
Answer:
₹6470.31
Step-by-step solution: 1. Compound amount = Principal * (1 + rate/100)^time. 2. Amount = 17600 * (1 + 11/100)^3. 3. Compound interest = Amount - Principal = ₹6470.31.
92
Calculate the compound interest on ₹19200 at 9% p.a. for 5 years (compounded annually).
Answer:
₹10341.58
Step-by-step solution: 1. Compound amount = Principal * (1 + rate/100)^time. 2. Amount = 19200 * (1 + 9/100)^5. 3. Compound interest = Amount - Principal = ₹10341.58.
93
Calculate the compound interest on ₹5200 at 9% p.a. for 3 years (compounded annually).
Answer:
₹1534.15
Step-by-step solution: 1. Compound amount = Principal * (1 + rate/100)^time. 2. Amount = 5200 * (1 + 9/100)^3. 3. Compound interest = Amount - Principal = ₹1534.15.
94
Calculate the compound interest on ₹21200 at 9% p.a. for 4 years (compounded annually).
Answer:
₹8725.53
Step-by-step solution: 1. Compound amount = Principal * (1 + rate/100)^time. 2. Amount = 21200 * (1 + 9/100)^4. 3. Compound interest = Amount - Principal = ₹8725.53.
95
Calculate the simple interest on ₹24600 at 11% p.a. for 4 years.
Answer:
₹10824.0
Step-by-step solution: 1. Simple interest = (Principal * Rate * Time) / 100. 2. Substitute values: (24600 * 11 * 4) / 100. 3. Simple interest = ₹10824.0.
96
Calculate the compound interest on ₹18800 at 12% p.a. for 4 years (compounded annually).
Answer:
₹10782.16
Step-by-step solution: 1. Compound amount = Principal * (1 + rate/100)^time. 2. Amount = 18800 * (1 + 12/100)^4. 3. Compound interest = Amount - Principal = ₹10782.16.
97
Calculate the compound interest on ₹8400 at 10% p.a. for 3 years (compounded annually).
Answer:
₹2780.4
Step-by-step solution: 1. Compound amount = Principal * (1 + rate/100)^time. 2. Amount = 8400 * (1 + 10/100)^3. 3. Compound interest = Amount - Principal = ₹2780.4.
98
Calculate the compound interest on ₹18000 at 8% p.a. for 4 years (compounded annually).
Answer:
₹6488.8
Step-by-step solution: 1. Compound amount = Principal * (1 + rate/100)^time. 2. Amount = 18000 * (1 + 8/100)^4. 3. Compound interest = Amount - Principal = ₹6488.8.
99
Calculate the simple interest on ₹23800 at 12% p.a. for 3 years.
Answer:
₹8568.0
Step-by-step solution: 1. Simple interest = (Principal * Rate * Time) / 100. 2. Substitute values: (23800 * 12 * 3) / 100. 3. Simple interest = ₹8568.0.
100
Calculate the simple interest on ₹12200 at 9% p.a. for 4 years.
Answer:
₹4392.0
Step-by-step solution: 1. Simple interest = (Principal * Rate * Time) / 100. 2. Substitute values: (12200 * 9 * 4) / 100. 3. Simple interest = ₹4392.0.