which one is correct?

Which one is correct? => A triangle has four equal sides. or A triangle has three sides. or A triangle has no sides. or I don′t know...

Which one is the correct repetition of the pattern AABB? => AABB, AABB, AABB, AABB or AABB, BBAA, AABB, BBAA or AABB, AABB, BBAA, AABB or AABB, AABB, BBAA, BBAA..

Which one is the correct repetition of the pattern? => shaded circle, unshaded triangle, shaded square or unshaded triangle, shaded square, shadedcircle or shaded square, shaded circle, unshaded triangle or shaded cirlce, shaded square, unshaded triangle..

Which one of these represents the correct bar graph for the fruits shown? => Figure 3 or Figure 2 or Figure 1..

Which one of these shows the correct pictograph for the fruits shown? => Figure 4 or Figure 2 or Figure 3 or Figure 1..

Which one of these pictographs shows the correct number of teddies and cars shown in the picture? => Figure 2 or Figure 3 or Figure 4 or Figure 1..

How many ones does the picture show? Identify the correct number. => 2 or 1 or 4 or 3..

How many ones does the picture show? Choose the correct number. => 10 or 3 or 2..

Find the length of the unknown side, correct to 1 decimal place if necessary. => 19.8 or 18.5 or 17.2 or 19..

Find the length of the unknown side of the triangle, correct to 1 decimal place if necessary. => 17.2 cm or 9.8 cm or 18 cm or 6.9 cm..