Properties of Symmetric Difference of Sets

Trending Questions

Q. If $A=\{x:x=4k+1,k\in W\text{and}k\le 12\}$ and $B=\{x:x=5^k,k\in W\text{and}k\le 6\}$, then $n\left(A\Delta B\right)$ is

1. $17$
2. $14$
3. $20$
4. $11$

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Q. Let $P=\{x:x\in N\text{and}\frac{7}{x+2}>1\}$ and $Q=\{x:x\in N\text{and}|x-1|<2\}.$ Then $n\left(P\Delta Q\right)$ is

1. $7$
2. $8$
3. $2$
4. $4$

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Q. For any two sets $X\&Y$
$X△Y=Y△X.$

1. True
2. False

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