Question

A = (x:x is a multiple of 10) B={10, 15, 20,25,30)
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Answer 1

Given:

A = {x : x is a multiple of 10} and B={10, 15, 20,25,30}.

To Find:

Find ($A\cap B$) ?

Solution:

Since, two sets are given ;

A={x : x is a multiple of 1} and

B = {10, 15, 20, 25, 30}

therefore, $(A\cap B)$ is the common element of A and B which belongs to both the set A and set B.

Hence, $(A\cap B )=\{10, 20, 30\}$.