union of three sets

If two sets are given, a set can be formed by using all the elements of the two sets. Such a collection is called the union of the given sets..

State whether the expression { x : x < 3} or { x : x > 10} represents an intersection or union of sets. => disjunction or union or intersection or conjunction..

The Operations on Sets are: Union of sets, Intersection of sets, Disjoint sets, Difference of two sets (Relative complement), Symmetric Difference of two sets, Complement of a set..

When mixed with water, cement sets to a hard mass. It first forms a plastic mass which hardens after some time due to 3-dimensional cross-links between the --Si-O-Si-- and --Si-O-Al-- chains. The first setting occurs within 24 hours whereas the subsequent hardening req..

How many squares are shaded in the set? => 3 out of 8 or 1 out of 8 or 2 out of 8 or 4 out of 8..

How many triangles are shaded in the set? => 3 out of 5 or 4 out of 5 or 1 out of 5 or 2 out of 5..

Identify the set that has ten pencils. => Figure 3 or Figure 4 or Figure 1 or Figure 2..

Identify the set that has six pencils. => Figure 4 or Figure 3 or Figure 1 or Figure 2..

Identify the set that has 7 balls. => Figure 1 or Figure 3 or Figure 2 or Figure 4..

Which set of shapes comes next in the pattern? => Figure 1 or Figure 3 or Figure 4 or Figure 2..