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Free GMAT Graphics Interpretation Practice Question

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Stacked bar chart of factory units produced by product line across four quartersStacked bars for Q1 to Q4 show units produced split into Line A, Line B and Line C segments.026.452.879.2105.6132402030Q1304020Q2503040Q3206030Q4Units produced (thousands)Line ALine BLine C

The stacked bar chart shows units produced, in thousands, for three product lines (Line A, Line B, and Line C) in each of four quarters. Each bar's total height is the sum of its three segments. Select from each drop-down menu to complete the statement so that it is most accurate according to the data shown.

The quarter with the greatest total units produced was , and across all four quarters the product line that produced the most total units was .

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Answer & Explanation

Correct answer

1: Q3 · 2: Line B

For the first blank, add the three segments in each bar to get the stack total. Q1 = 40 + 20 + 30 = 90. Q2 = 30 + 40 + 20 = 90. Q3 = 50 + 30 + 40 = 120. Q4 = 20 + 60 + 30 = 110. The tallest stack is Q3 at 120, so Q3 is the greatest. Q4 at 110 is the runner-up trap, helped by its tall 60-unit Line B block that catches the eye first; Q1 and Q2 both total 90. Confirm with the full sum rather than the most prominent single segment.

For the second blank, sum each line across all four quarters. Line A = 40 + 30 + 50 + 20 = 140. Line B = 20 + 40 + 30 + 60 = 150. Line C = 30 + 20 + 40 + 30 = 120. Line B's 150 is the largest, so Line B produced the most overall. Line A at 140 is the trap if you stop after seeing its tall 50 in Q3; Line C at 120 is the lowest. The two blanks are independent: the tallest quarter is Q3, where Line A holds the biggest segment, yet the across-year winner is Line B, so knowing one does not give away the other.