1.Set Theory
easy

વિધાન સત્ય છે કે અસત્ય છે તે નક્કી કરો : જો $x \in A$ અને $A \in B,$ તો $x \in B$

Option A
Option B
Option C
Option D

Solution

False

Let $A=\{1,2\}$ and $B=\{1,\{1,2\},\{3\}\}$

Now, $2 \in\{1,2\}$ and $\{1,2\}$ $\in\{\{3\}, 1,\{1,2\}\}$

$\therefore A \in B$

Howerer, $2 \notin\{\{3\}, 1,\{1,2\}\}$

Standard 11
Mathematics

Similar Questions

Start a Free Trial Now

Confusing about what to choose? Our team will schedule a demo shortly.