Practice Questions
Concept Explanation
The amount is the total value at the end of the period — principal plus simple interest.
Key Formulas
- A = P + SI
- A = P(1 + RT/100)
- A = P + (PRT/100)
Example
P = Rs. 5,000, R = 10%, T = 2 years. SI = Rs. 1,000. Amount = Rs. 6,000.
-
Q1 Easy
Amount on Rs. 5,000 at 10% for 2 years is:
ExplanationSI = Rs. 1,000. Amount = Rs. 6,000. -
Q2 Easy
Find amount on Rs. 8,000 at 5% for 4 years.
ExplanationSI = Rs. 1,600. Amount = Rs. 9,600. -
Q3 Easy
Amount on Rs. 10,000 at 12% for 2 years is:
ExplanationSI = Rs. 2,400. Amount = Rs. 12,400. -
Q4 Medium
Amount on Rs. 6,000 at 8% for 3 years is:
ExplanationSI = Rs. 1,440. Amount = Rs. 7,440. -
Q5 Easy
Amount on Rs. 15,000 at 6% for 2 years is:
ExplanationSI = Rs. 1,800. Amount = Rs. 16,800. -
Q6 Medium
Amount on Rs. 4,000 at 15% for 2 years is:
ExplanationSI = Rs. 1,200. Amount = Rs. 5,200. -
Q7 Easy
Amount on Rs. 12,000 at 5% for 3 years is:
ExplanationSI = Rs. 1,800. Amount = Rs. 13,800.
-
Q8 Medium
Amount on Rs. 9,000 at 8% for 2.5 years is:
ExplanationSI = Rs. 1,800. Amount = Rs. 10,800. -
Q9 Easy
Amount on Rs. 20,000 at 10% for 1 year is:
ExplanationSI = Rs. 2,000. Amount = Rs. 22,000. -
Q10 Easy
Amount on Rs. 7,500 at 4% for 5 years is:
ExplanationSI = Rs. 1,500. Amount = Rs. 9,000. -
Q11 Hard
Amount on Rs. 11,000 at 9% for 2 years is:
ExplanationSI = Rs. 1,980. Amount = Rs. 12,980. -
Q12 Medium
Amount on Rs. 25,000 at 6% for 4 years is:
ExplanationSI = Rs. 6,000. Amount = Rs. 31,000. -
Q13 Easy
Amount on Rs. 18,000 at 5% for 3 years is:
ExplanationSI = Rs. 2,700. Amount = Rs. 20,700. -
Q14 Hard
Amount on Rs. 16,000 at 7.5% for 2 years is:
ExplanationSI = Rs. 2,400. Amount = Rs. 18,400.
-
DS1 Easy
What is the amount?
Statement IPrincipal is Rs. 5,000 at 10% for 2 years.
Statement IISimple interest is Rs. 1,000.
ExplanationStatement I alone gives amount = Rs. 6,000. -
DS2 Easy
What is the amount?
Statement IPrincipal is Rs. 8,000.
Statement IIRate is 5% and time is 4 years.
ExplanationNeed P, R and T together. Amount = Rs. 9,600.
-
DS3 Medium
What is the amount?
Statement ISI is Rs. 2,400.
Statement IIPrincipal is Rs. 10,000 at 12% for 2 years.
ExplanationStatement II alone gives amount = Rs. 12,400. Statement I alone does not fix the principal. -
DS4 Medium
Is the amount greater than Rs. 10,000?
Statement IPrincipal is Rs. 9,000 at 8% for 2.5 years.
Statement IIRate is 8%.
ExplanationStatement I: amount = Rs. 10,800, which is greater than Rs. 10,000.