If $$R=\{(x,y):y=2x\}$$ is a relation in $$A=\{1,2,3,4,6,7,8\}$$ then write all the elements of $$R$$

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Let $$X=\{1,2,3,4\}$$.Determine whether $$f=\{(1,1),(2,3),(3,4),(4,1)\}$$ are functions from $$X$$ to $$X$$

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Write down all the subsets of the set {1, 2, 3}

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Let the universal set U, be a set all students of your school, A is set of boys. B is the set of girls C is the set of students participating in sports. Describe the following set in words and represent them by the Venn diagram. $$B\cap C$$

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If $$A=$${1,4,6}, $$B=$${3,6}, then find $$(A\cap B)$$

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Find the solution of the following: If $$5x+4>8x-11$$, then $$x

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Say true or false. The A.M. between $$(a-b{)}^2$$ and $$(a+b{)}^2$$ is $$a^2+b^2$$.

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Given a line I and a point P on it. How many lines can be drawn passing through the point P?

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If lines $$l_1\perp l_2$$ and the the slope of $$l_1$$ is $${\displaystyle \frac{1}{2}}$$, then the the slope of $$l_2$$ is .......... .

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Slope of the line given below is $$3(x+3)=y-1$$.

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