The set B - x - x -3 n -1- n - N and n - 20 is a finite set-A- TrueB- False

The correct option is A True Given B = {x : x = 3n +1 where n ϵ N and n ≤ 20} Substituting n = 1, 2, 3, 4, 5.......20 we get B = 4, 7, 10, 13, 16....61 ⇒ B is ...

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Byju's Answer

Standard VII

Mathematics

Finite and Infinite Set

The set B = x...

Question

The set $B = {x : x = 3 n + 1, n ϵ N and n \leq 20}$ is a finite set.

True

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False

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Solution

The correct option is A
True

Given $B = {x : x = 3 n + 1 where n ϵ N and n \leq 20}$

Substituting n = 1, 2, 3, 4, 5.......20 we get

B = {4, 7, 10, 13, 16....61}

$\Rightarrow$ B is finite set.

$∴$ The statement is True.

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The set B={x:x=3n+1, nϵN and n≤20} is a finite set.

The correct option is A True Given B={x:x=3n+1 where nϵN and n≤20} Substituting n = 1, 2, 3, 4, 5.......20 we get B = {4, 7, 10, 13, 16....61} ⇒ B is finite set. ∴ The statement is True.

The set $B = {x : x = 3 n + 1, n ϵ N and n \leq 20}$ is a finite set.

The correct option is A
True

Given $B = {x : x = 3 n + 1 where n ϵ N and n \leq 20}$

Substituting n = 1, 2, 3, 4, 5.......20 we get

B = {4, 7, 10, 13, 16....61}

$\Rightarrow$ B is finite set.

$∴$ The statement is True.