Selected MCQ

Current Question
If a sum is invested at 10% for 3 years, simple interest is Rs. 300. Principal is ____.
  • A. Rs. 800
  • B. Rs. 900
  • C. Rs. 1000
  • D. Rs. 1200
Correct Answer: C
Explanation:
SI = PRT/100 → P = 1000.
Related Question 1
If a sum earns Rs. 500 as simple interest in 5 years at 5%, principal is ____.
  • A. Rs. 2000
  • B. Rs. 2500
  • C. Rs. 3000
  • D. Rs. 1500
Correct Answer: A
Explanation:
P = (SI×100)/(RT) = 2000.
Related Question 2
If the compound interest for 2 years is Rs. 210 and the simple interest is Rs. 200, find the principal?
  • A. Rs. 1000
  • B. Rs. 2000
  • C. Rs. 1500
  • D. Rs. 2500
Correct Answer: A
Explanation:
Difference used to find the rate, then principal = 1000.
Related Question 3
If the simple interest on a sum for 3⅛ years is one-fourth of the principal, what is the rate?
  • A. 6%
  • B. 4%
  • C. 8%
  • D. 12%
Correct Answer: C
Explanation:
SI = PRT/100 → R = 8%.
Related Question 4
A sum at simple interest for 3 years becomes Rs. 6000. What is the principal?
  • A. Rs. 4000
  • B. Rs. 9000
  • C. Rs. 5000
  • D. Rs. 6000
Correct Answer: D
Explanation:
The given amount corresponds directly.
Related Question 5
A sum at simple interest for 2 years becomes Rs. 750. What is the principal?
  • A. Rs. 750
  • B. Rs. 700
  • C. Rs. 820
  • D. Rs. 940
Correct Answer: A
Explanation:
Direct relation from the given condition.