javascript MCQ where i dont know the result plese help me

What will be the output of following?

const store new Set();    const age [15, 18, 21, 25);     store.add(age); age[1] - 30:    store.forEach(e console.log(e));

` Options

  1. [object object) 2) [15, 30, 21, 25] 3) [15, 18, 21, 25]
  2. Run time error `