The number of non-empty subsets of the set $\{1,2,3,4\}$ is $3 \times a$. The value of '$a$' is

JEE MATHEMATICS MCQ: FUNCTIONS

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Application +4 | -1

The number of non-empty subsets of the set

\{1,2,3,4\}

3 \times a

. The value of '

a

' is

View answer and explanation

Correct option: A

Option A (5) is correct because the number of non-empty subsets is 15, which equals 3 * 5, therefore a = 5.

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