If A is the set of odd prime numbers and B-x- -62x-53-7 and -4-x-72-4- then the value of nA- B is

A={3,5,7,11,13,17,19,...} B={x∈ℤ: 62x 53≤7 and 4≤x 72 lt;4} ⇒ 62x 53≤7 ⇒ 182x 5≤21 ⇒ 132x≤26 ⇒ 132 x≤13 ...(1) and 4≤x 72 lt;4 ⇒ 8≤ x 78 ⇒ 1≤ x15 ...

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Cardinality of Sets

If A is the s...

Question

If $A$ is the set of odd prime numbers and $B = {x \in Z : - 6 < \frac{2 x - 5}{3} \leq 7 and - 4 \leq \frac{x - 7}{2} < 4},$ then the value of $n (A \cap B)$ is

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