Arrange the following sets in increasing order, on the basis of their cardinali…

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Arrange the following sets in increasing order, on the basis of their cardinality :

A. $A_1 = {{1,2},{3}}$

B. $A_2 = {{1},{2},{3},{4}}$

C. $A_3 = {{1,2,3,4,5,6}}$

D. $A_4 = {{1,2},{2,3,4},{5}}$

E. $A_5 = {{1},{2},{3},{4},{5}}$

Choose the correct answer from the options given below :

1
2
3
4

Cardinality means number of elements in the set.

$|A_1| = 2$

$|A_2| = 4$

$|A_3| = 1$

$|A_4| = 3$

$|A_5| = 5$

Increasing order:

$1 < 2 < 3 < 4 < 5$

So order becomes:

$A_3, A_1, A_4, A_2, A_5$

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