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1.Set Theory
easy
निम्नलिखित में बतलाइए कि $A = B$ है अथवा नहीं है
$A =\{x: x$ संख्या $10$ का एक गुणज है $\}, B =\{10,15,20,25,30, \ldots\}$
Option A
Option B
Option C
Option D
Solution
$A = \{ x:x$ is a multiple of $10\} $
$B=\{10,15,20,25,30 \ldots \ldots\}$
It can be seen that $15 \in B$ but $15 \notin A$
$\therefore A \neq B$
Standard 11
Mathematics