Elementary Mathematics & Statistics

Percentages, Ratios, Profit & Interest

Percentage change, successive discounts, ratio division, SI, CI, and partnership investments.

Target: EPFO APFC 2026Topic-Level RAG Context ActiveModel: Nemotron 3.5 Lightning 30B / 120B

Topic Overview

Percentage change, successive discounts, ratio division, SI, CI, and partnership investments.

Key Syllabus Concepts

  • Percentage Increase/Decrease & Successive Percentage Change Formula
  • Ratio & Proportion, Partnership Profit Sharing according to (Capital x Time)
  • Profit, Loss, Marked Price, Discount, and Effective Discount Rate
  • Simple Interest (SI = P*R*T/100) vs Compound Interest (A = P(1+R/100)^n)

High-Yield Important Points & Rules

  • 💡 Difference between CI and SI for 2 years = P * (R/100)^2.
  • 💡 Partnership profits are distributed strictly in proportion to the product of investment amount and time duration.

Historical UPSC EPFO PYQ Relevance

3 Matched PYQs
2025EPFO APFCGeneral Ability Test• Q.2
Full Question
Which of the following sentences with respect 4, to the passage is/are correct ? 1. All rich western nations have been seeing an increase in emigration from Africa over the past few decades. 2. Over the past thirty-five odd years, the number of African origin people living outside Africa has gone up by a factor of three.
2025EPFO APFCGeneral Ability Test• Q.3
Full Question
The fierce resistance to labour incursion into the West will temper emigration from Africa in the 215 century. Select the answer using the codes given below :
2025EPFO APFCGeneral Ability Test• Q.11
Full Question
The fact that the deliberations were carried out in a cordial manner pleased the old guard very much.

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