Subset, Proper Subset , Superset

Subsets|"Types Of Subsets Proper subsets"|Improper Subsets|Exercise Questions|Subsets Of Set Of Real Numbers |Power Sets|OMR

The number of proper subsets of the set {1,2,3} is

The number of proper subsets of the set : A= {1,2,3,4,5} is :

Write the number of proper subsets of the set of formed by the letter of the word 'DELHI'.

The total number of proper subsets of a set with cardinality 4 is a) 8 (b)16(c) 14(d)15

If A {phi,{phi},{{phi}}, then the number of proper subsets of the power-set of A i.e. P (A) is

No.of subset of a power set

What is the total number of proper subsets of a set containing n elements?

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