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11th Tamil Nadu Board
IMPORTANT
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The number of relations on a set containing 3 elements is

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Important Questions on Sets, Relations and Functions

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11th Tamil Nadu Board
IMPORTANT
Mathematics Standard 11 Vol I>Chapter 1 - Sets, Relations and Functions>Exercise>Q 13
Let R be the universal relation on a set X with more than one element. Then R is
MEDIUM
11th Tamil Nadu Board
IMPORTANT
Mathematics Standard 11 Vol I>Chapter 1 - Sets, Relations and Functions>Exercise>Q 14
Let X={1,2,3,4} and R={(1,1),(1,2),(1,3),(2,2),(3,3),(2,1),(3,1),(1,4),(4,1)}. Then R is
EASY
11th Tamil Nadu Board
IMPORTANT
Mathematics Standard 11 Vol I>Chapter 1 - Sets, Relations and Functions>Exercise>Q 15
 The range of the function 11-2sinx is
HARD
11th Tamil Nadu Board
IMPORTANT
Mathematics Standard 11 Vol I>Chapter 1 - Sets, Relations and Functions>Exercise>Q 16
The range of the function f(x)=|x-x|,x∈ℝ is
HARD
11th Tamil Nadu Board
IMPORTANT
Mathematics Standard 11 Vol I>Chapter 1 - Sets, Relations and Functions>Exercise>Q 17
The rule f(x)=x2 is a bijection if the domain and the co-domain respectively are given by
EASY
11th Tamil Nadu Board
IMPORTANT
Mathematics Standard 11 Vol I>Chapter 1 - Sets, Relations and Functions>Exercise>Q 18
The number of constant functions from a set containing m elements to a set containing n elements is
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11th Tamil Nadu Board
IMPORTANT
Mathematics Standard 11 Vol I>Chapter 1 - Sets, Relations and Functions>Exercise>Q 19
The function f:[0,2π]→[-1,1] defined by f(x)=sinx is
EASY
11th Tamil Nadu Board
IMPORTANT
Mathematics Standard 11 Vol I>Chapter 1 - Sets, Relations and Functions>Exercise>Q 20
If the function f : -3,3 →S defined by fx=x2 is onto, then S is