The division in (a), (b), and (d) gives a whole number. But in (c), \( 42 \div 8 = 5.25 \), which does not result in a whole number.
Thus, the odd one out is (c) 42 ÷ 8, as the relationship does not match the others.
An object is said to have an n-fold rotational symmetry if the object, rotated by an angle of \( \frac{2\pi}{n} \), is identical to the original.
Which one of the following objects exhibits 4-fold rotational symmetry about an axis perpendicular to the plane of the screen?
A color model is shown in the figure with color codes: Yellow (Y), Magenta (M), Cyan (Cy), Red (R), Blue (Bl), Green (G), and Black (K). Which one of the following options displays the color codes that are consistent with the color model?