Understand Sub-Duplicate Ratio with Example – 𝟐𝟓∶𝟑𝟔 Explained for CUET, SAT, SSC, CA Foundation

🤔 What Is the Sub-Duplicate Ratio of 𝟐𝟓∶𝟑𝟔?

Ratio and proportion questions often go beyond just comparing quantities. In exams, you’ll face terms like duplicate, triplicate, and sub-duplicate ratios. In this blog, we take the example 𝟐𝟓∶𝟑𝟔 to illustrate how sub-duplicate ratios work.

❓ Question:

The sub-duplicate ratio of 𝟐𝟓∶𝟑𝟔 is ❓

🎥  This video walks you through the simple technique to calculate the sub-duplicate ratio.

The sub-duplicate ratio of 25 : 36 is ?

📘 This Concept Is Useful For:

🇮🇳 Indian Exams:

• CUET (Quantitative Aptitude)

• CA Foundation (Maths & Stats)

• CMA Foundation

• SSC Exams (CGL, CHSL, MTS)

• Banking Exams (IBPS, SBI, RRB, RBI)

• CMAT

• RRB NTPC, JE, ALP

• NDA / CDS

• State PSCs (like UPPSC, MPSC, TNPSC)

🌍 International Exams:

• SAT (Math)

• ACT (Math)

• GMAT (Quant)

• GRE (Quant)

• ACCA (Foundation level logic/math)

• CPA (USA – concept strengthening)

• High school math (IGCSE, IB, CBSE international stream)

✅ Pro Tip:

Sub-duplicate ratio simply means taking the square root of both terms in a given ratio. Keep this in mind for speed-solving in time-bound exams!

🧪 Try Yourself:

Find the sub-duplicate ratio of 𝟏𝟔∶𝟒𝟗.

Post your answer in the comments or pause the video and solve it before continuing!