1

JEE Main 2021 (Online) 16th March Evening Shift

MCQ (Single Correct Answer)

+4

-1

Let A = {2, 3, 4, 5, ....., 30} and '$$ \simeq $$' be an equivalence relation on A $$\times$$ A, defined by (a, b) $$ \simeq $$ (c, d), if and only if ad = bc. Then the number of ordered pairs which satisfy this equivalence relation with ordered pair (4, 3) is equal to :

2

JEE Main 2021 (Online) 16th March Morning Shift

MCQ (Single Correct Answer)

+4

-1

The number of elements in the set {x $$\in$$ R : (|x| $$-$$ 3) |x + 4| = 6} is equal to :

3

JEE Main 2021 (Online) 26th February Morning Shift

MCQ (Single Correct Answer)

+4

-1

Let R = {(P, Q) | P and Q are at the same distance from the origin} be a relation, then the equivalence class of (1, $$-$$1) is the set :

4

JEE Main 2020 (Online) 5th September Morning Slot

MCQ (Single Correct Answer)

+4

-1

A survey shows that 73% of the persons working in an office like coffee, whereas 65% like tea. If x denotes the percentage of them, who like both coffee and tea, then x cannot be :

Questions Asked from Sets and Relations (MCQ (Single Correct Answer))

Number in Brackets after Paper Indicates No. of Questions

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