BANKING Track
58 Techniques4 Stages
Banking (IBPS / SBI PO & Clerk) Fast DI & Calculation Track
Optimized for banking exams where 10-15 simplification/approximation marks determine prelims cutoff, and rapid DI ratio/percentage calculations decide mains ranking.
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Structured Curriculum Stages
4 Stages1
6 techniquesLedger Addition, Subtraction & Digital Verification
TECH-001• Diff 1.5
Place-Value Digit Decomposition
TECH-002• Diff 1.5
Digit Complement to Powers of 10
TECH-029• Diff 1.5
Left-to-Right Mental Addition
TECH-030• Diff 1.5
Compensation via Nearest Benchmark
TECH-031• Diff 1.5
Complementary Pairing (Making Tens)
TECH-032• Diff 1.5
Nikhilam Subtraction from Powers of 10
2
6 techniquesHigh-Speed Simplification & Squares/Cubes
TECH-041• Diff 1.5
Urdhva-Tiryagbhyam $2 \times 2$
TECH-042• Diff 2.5
Urdhva-Tiryagbhyam $3 \times 3$
TECH-045• Diff 1.5
Ekanyunena Purvena ($\times 9, \times 99, \times 999$)
TECH-069• Diff 1.5
Squaring Numbers Ending in 5 (Ekadhikena)
TECH-070• Diff 1.5
Squaring Numbers Near 50
TECH-077• Diff 1.5
Perfect Square Root by Inspection (Vilokanam)
3
9 techniquesPercentages, Compounding & Ratio Chains for DI
TECH-083• Diff 1.5
Standard Fraction Benchmark Mapping ($1/2$ to $1/20$)
TECH-084• Diff 1.5
Cross-Multiplication Fraction Comparison
TECH-085• Diff 2.5
Common Difference Fraction Sorting
TECH-086• Diff 1.5
Percentage Splitting ($10\%, 5\%, 1\%, 2.5\%$)
TECH-087• Diff 1.5
Reciprocal Percentage Property ($x\%$ of $y = y\%$ of $x$)
TECH-094• Diff 2.5
Percentage Margin vs Markup Conversion
TECH-097• Diff 1.5
Compound Ratio Chaining ($A:B$ & $B:C \implies A:B:C$)
TECH-098• Diff 1.5
Cross-Multiplication for Unknown Proportion
TECH-101• Diff 1.5
Alligation Cross Rule for Mixtures
4
9 techniquesApproximation Mastery for Heavy Tables
TECH-107• Diff 1.5
Compatible Number Rounding
TECH-108• Diff 1.5
Leading-Digit Order-of-Magnitude Estimation
TECH-109• Diff 1.5
Upper & Lower Bounding (Sandwiching)
TECH-110• Diff 2.5
Percentage Differential Adjustment
TECH-111• Diff 1.5
Reciprocal Approximation Formula
TECH-112• Diff 1.5
Binomial Linear Approximation
TECH-113• Diff 1.5
High-Yield DI Ratio Approximation
TECH-143• Diff 1.5
Unit-Digit Last-Digit Elimination
TECH-144• Diff 1.5
Last-Two-Digits Distractor Pruning
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