Question

which of the following is a subset of A={123}. A {0} B{01} C{12} D{234}​

Answer 1

Answer:

c is the answer

Step-by-step explanation:

in a option A {0} ,0 is not a element of of main set

similarly for set B and D ; 0 and 4 is not included.

so they are not subset.

Answer 2

Answer:

C(12) is subset of A.

Step-by-step explanation:

given that A ={123}

here C = {12}.

all the numerics in A is present in C. so,C is subset of A