Test Index

Sets and Relations Part 1

Section: Mathematics

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Question : 30

Total: 102

Let A={1,2,3,...20}. Let R1 and R2 two relation on A such that
R1={(a,b):b is divisible by a}
R2={(a,b):a is an integral multiple of b}.
Then, number of elements in R1−R2 is equal to_____

[1-Feb-2024 Shift 1]

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