Missing Data DI Questions from Incomplete Tables

Published · Learn24x7 editorial team

Verify additive consistency across subtotals before answering percentage questions.

Watch for units (thousands vs lakhs) embedded in headers—convert once up front.

If stuck, estimate ranges to eliminate absurd options before algebra.

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Modern India Timeline for One-Marker Questions

Group events by decade to reduce isolated fact overload.

Data Interpretation: Bar, Line, and Pie in One Set

When charts share categories, map colors consistently—misread legends cause silent errors.

Seating Arrangement: Circular Tables with Position Conditions

Fix one person to break rotational symmetry, then propagate constraints clockwise.

Data Sufficiency–Style Thinking for Quant Sections

Restate the target unknown clearly. Ask whether each statement shrinks the solution set.