Modern Indian railway train for RRB NTPC Simple & Compound Interest practice
RRB NTPC - GRADUATE LEVELCBT 1Graduate Level Posts

Simple & Compound Interest

Master SI, CI, Rate, Time, Difference between SI & CI, and Equal Installments for CBT 1.

6Practice Sets
10–15 minPer Test
Easy to HardDifficulty
BilingualEN + HI

Topics Covered in Simple & Compound Interest

Simple Interest Basics
Compound Interest
SI & CI Difference
Effective Rate
Equal Installments
Depreciation & Growth

Simple & Compound Interest Practice Tests

01

Interest Practice Set 01

15 Questions10 MinEasyBilingual
Start Test
02

Interest Practice Set 02

15 Questions10 MinEasyBilingual
Start Test
03

Interest Practice Set 03

20 Questions12 MinMediumBilingual
Start Test
04

Interest Practice Set 04

20 Questions12 MinMediumBilingual
Start Test
05

Interest Practice Set 05

25 Questions15 MinHardBilingual
Start Test
06

Interest Practice Set 06

25 Questions15 MinHardBilingual
Start Test

Smart Practice Path

Start with Easy, move to Medium, and challenge yourself with Hard test results.

EasyMediumHard

Why Practice Simple & Compound Interest?

  • Formula-driven predictable questions
  • 2-3 questions in CBT 1 paper
  • Tree method speeds up CI calculations
  • Shortcuts for 2-year and 3-year SI/CI difference

Concepts You Will Master

  • Tree method for Compound Interest
  • 2-year difference formula: P(r/100)^2
  • Half-yearly & quarterly compounding
  • Installments for SI and CI

Preparation Tip

Master the Pascal triangle / ratio method (2:1 for 2 yrs, 3:3:1 for 3 yrs) for fast CI calculation.

Explore Other Maths Topics

About Simple & Compound Interest

Simple and Compound Interest is an important topic in RRB NTPC CBT 1 Mathematics. It covers simple interest formulas, compound interest with different compounding frequencies, SI-CI differences, and installment problems.

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