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AAKASH SERIES-SETS AND RELATIONS -PRACTICE EXERCISE
- A survey of 500 television viewers produced the following information,...
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- Number of subsets of the set A={1,2,3,4} is…………..
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- The smallest A such that A cup {1,2} = {1,2,3,5,9} is
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- If n(A)=10,n(B)=6 and n( C )=5 for three disjoint sets A, B, C then n(...
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- If A={1,2,3,4,5},B ={p,q,r,s} then n(A xxB ) =
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- If A={0,1},B={1,2},C={2,3} then (A xx B)nn(A xx C)=
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- If aN = {ax : x in N} " then " 3N cap 7N =
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- A = {(x,y) : y = 1//x,0 ne x in R} , B = {(x, y) : y = - x, x in R} th...
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- If X = {4^(n) - 3n - 1: n in N} " and " Y = {9(n-1): n in N}, where N ...
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- Let A={(x,y)//y=e^(x),x in R},B={(x,y)//y=e^(-x),x in R}, then
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- The set A={x:x in R,x^(2)=16," and "2x=6} equals
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- Let A and B be two sets such that A xx B has 6 elements. If three elem...
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- In a class of 70 students takes either Sanskrit or Hindi. 40 take Sans...
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- In a city, three daily newspapers A, B, C are published. 42% of the pe...
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- Each student in a class of 40, studies at least one of the subjects En...
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- An investigator interviewed 100 students to determine their preference...
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- A={a, b, c},B={1,2} then the number of relations from A to B is
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- A group of 123 workers went to a canteen for cool drinks, ice - cream ...
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- Let L denote the set of all straight lines in a plane. Let a Relation ...
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- On the set of integers Z, relation R is defined as ''mRn iff m is a mu...
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- If A={a, b, c, d}, then a relation R={(a,b),(b,a),(a,a)} on A is
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