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Direct and Inverse Proportion — MATHS STD 8 — Question

Gujarat BoardEnglish MediumSTD 8MATHSDirect and Inverse Proportion3 Marks
Question
Pattern $B$ consists of four tiles like pattern A. Write a proportion involving red dots and blue dots in pattern $A$ and $B$. Are they in
direct proportion? If yes, write the constant of proportion.
✓

Answer

No. of red dots in pattern $(A) = 4$ No. of blue dots in pattern $(A’) = 2$ Pattern $B$ consists of four tiles like pattern $A$
i.e, Pattern $A × 4$ =Pattern $B$ Proportion in pattern $=\frac{2}{6}=\frac{1}{3}$
Now, proportion of blue dots & red dots in pattern $B =\frac{8}{32}=\frac{1}{4}$

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