Please wait...
THANKU FOR BEING A PART OF OUR JOURNEY TO BRING "REVOLUTION IN EDUCATION"
We Genuinely APPRECIATE your PATIENCE

54
M: +1.00/-0.25

Of the following two statements, both of which cannot be true but both can also be false. Which are these two statements?
 

I. All machines make noise

II. Some machines are noisy

III. No machine makes noise

IV. Some machines are not noisy

[IB ACIO Previous Year 2017]
A
B
C
D