Question

If Pbar+Qbar,=Rbar



1 R is always greater than P

2 R is always equal to P + Q


3 R is never equal to P + Q

4 R may be less than p+q​

Answer 1

Answer:

option 2 is right

Explanation:

since addition of p and q is equal to r

that means either p or q might be smaller one compared to r

but r will be equal to p+q