1
WB JEE 2010
+1
-0.25

If A = {1, 2, 3, 4}, B = {1, 2, 3, 4, 5, 6} are two sets, and function f : A $$\to$$ B is defined by f(x) = x + 2 $$\forall$$ x$$\in$$ A, then the function f is

A
bijective
B
onto
C
one-one
D
many-one
2
WB JEE 2010
+1
-0.25

The function $$f(x) = \sec \left[ {\log \left( {x + \sqrt {1 + {x^2}} } \right)} \right]$$ is

A
odd
B
even
C
neither odd nor even
D
constant
3
WB JEE 2010
+1
-0.25

The domain of the function $$f(x) = \sqrt {{{\cos }^{ - 1}}\left( {{{1 - |x|} \over 2}} \right)}$$ is

A
($$-$$3, 3)
B
[$$-$$3, 3]
C
($$-$$ $$\infty$$, $$-$$3) $$\cup$$ (3, $$\infty$$)
D
($$-$$ $$\infty$$, $$-$$3] $$\cup$$ [3, $$\infty$$)
4
WB JEE 2023
+1
-0.25 Let A, B, C are subsets of set X. Then consider the validity of the following set theoretic statement:

A
A $$\cup$$ (B \ C) = (A $$\cup$$ B) \ (A $$\cup$$ C)
B
(A \ B) \ C = A \ (B $$\cup$$ C)
C
(A $$\cup$$ B) \ A = A \ B
D
A \ C = B \ C
WB JEE Subjects
Physics
Mechanics
Electricity
Optics
Modern Physics
Chemistry
Physical Chemistry
Inorganic Chemistry
Organic Chemistry
Mathematics
Algebra
Trigonometry
Coordinate Geometry
Calculus
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