Question

If A1, A2, A3,..., A100 are sets such that n(Ai

) = 2i,

A1  A2  A3  ... A100 and

100

15

,

i

i

A A 

 ∪ then n(A)

is equal to

(1) 2 (2) 30

(3) 100 (4) 200​

Answer 1

I think option 3 is correct

Answer 2

Answer:

200, hope it may help you