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Sets Practice Test 1

Question : 16 of 33

Marks: +1, -0

The number of non-empty subsets of the set{a, b, c, d, e} is:

Solution: 👈: Video Solution

Concept:

For a set with

n

elements, the total number of subsets is

2^n

Non-empty subsets exclude the empty subset.

Explanation:

The given set

\{a,b,c,d,e\}

has

n=5

elements.

Total subsets =

2^5 = 32

The empty subset is one of these and is not allowed.

So, non-empty subsets =

2^5 - 1

32 - 1 = 31

Answer:

31

, which is option B.

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