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JEE Main 2024 (Online) 1st February Morning Shift
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Mathematics
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2024
JEE Main 2024 (Online) 1st February Morning Shift
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Mathematics
NUMERICAL
1
COMPETENCY
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NUMERICAL
4 Mark(s)
2024
JEE Main 2024 (Online) 1st February Morning Shift
#1107
Let $A=\{1,2,3, \ldots, 20\}$. Let $R_1$ and $R_2$ two relation on $A$ such that $R_1=\{(a, b): b$ is divisible by $a\}$ $R_2=\{(a, b): a$ is an integral multiple of $b\}$. Then, number of elements in $R_1-R_2$ is equal to _____________.
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