Alligation or Mixture
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Quantitative Aptitude - Alligation or Mixture
Solve concentration and mixture problems using alligation rule efficiently.
1. Rule
If mixing two quantities with strengths A and B to get C, ratio = (B−C):(C−A).
2. Application
- Use rule directly for binary mixtures.
- For multiple components, combine stepwise using pairwise mixtures.
3. Quick Tips
- Place strengths correctly above and below.
- Use alligation grid to avoid confusion.
4. Common Errors
- Mixing up placement of A, B, and C in formula.
5. Revision Checklist
- Practice direct and multi-component mix problems.
Summary: Use (B−C):(C−A) quickly with grid to find required ratio for mixtures accurately.
Topics
- Number System
- H.C.F. & L.C.M.
- Decimal Fractions
- Simplification
- Average
- Problems on Ages
- Percentage
- Profit & Loss
- Ratio & Proportion
- Partnership
- Time & Work
- Pipes & Cistern
- Time & Distance
- Problems on Trains
- Boats & Streams
- Alligation or Mixture
- Simple Interest
- Compound Interest
- Area
- Volume & Surface Areas
- Mensuration
- Calendar
- Clocks
- Permutations & Combinations
- Probability
- Progressions (A.P., G.P., H.P.)
- Set Theory / Venn Diagrams
- Data Interpretation
- Statistics (Mean, Median, Mode)