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State whether the given set is finite or infinite. (i)A= Set of all triangles in a plane. (ii) B= set of all points on the circumference (iii) C= set of all lines parallel to the y-axis. (iv) D= set of all leaves on a tree (v)E= set of all positive integers greater than 500 (vi) F={x in R,0 lt x lt 1} (vii)G= {x in Z : x lt 1} (viii) H ={ x in Z : -15 lt x lt 15} (ix)J={x: in N and x " is prime"} (x)K={x:x in N and x "is odd "} (xi)L= set of all circles passing through the origin (0,0).

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Solution :(i) INFINITE
(ii) infinite (III) infinite (iv) finite (v) infinite (vi) infinite (vii) infinite (VIII) finite (ix) infinite (XI) infinite


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