GregMAT Quant Question

[hbksanjeev]

Shouldn’t the answer of this question be D ?
x can take values 1,2,3 right ?

[hbksanjeev]

Ok. I got the question wrong. It was 2 to the power not 2 multiplied by. My Bad

[gauravbakale97]

Is the answer B? i.e., Quantity B is greater?

[hbksanjeev]

Yes