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Ratio, Proportion and Unitary Method — MATHS STD 6 — Question

Gujarat BoardEnglish MediumSTD 6MATHSRatio, Proportion and Unitary Method2 Marks
Question
Determine if the following numbers are in proportion:
$32, 48, 70, 210$
✓

Answer

$32, 48, 70, 210$ or $32 : 48 :: 70 : 210$
Are in proportion
If $ad = bc$
If $32 \times 210 = 48 \times 70$
If $6720 = 3360$
Which is not true
$\therefore 32, 48, 70, 210$ are not in proportion

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