Numbers, 1,2,4, ....... zN ..... written in binary.

Numbers 1, 2, 4, ........, zN ...... written in unbinary.

Set of binary string in which number of zeros is same as the number of ones.

Set (1,101,11011,1110111, ......}

String of 0’s whose length is a perfect square

Set of all palindromes made up of 0’s and 1's

Strings of 0’s, whose length is a prime number

All of these

1 stack is more powerful than an FSM with no stack

1 stack is more powerful than a FSM with 2 stacks

both (a) and (b)

none of these

even

odd

null

none of these

3

1

2

none of these