1. ## "AND" with singular

There are two pins, A and B, which connect a line. The width of the A pin is 0.5 cm. and the width of the B pin is 1.0 cm.

Based on the above fact, which of the following is correct to say?
a) The width of the A pin and the width of the B pin are different.
b) The width of the A pin and the width of the B pin is different.

Some people say a) is correct and others say b); thus, I get confused.

2. ## Re: "AND" with singular

If you think of "the width of the A pin" as one subject and "the width of the B pin" as another subject then you can replace them with simply "the A pin" and "the B pin" and see what seems right.

a) The A pin and the B pin are different.
b) The A pin and the B pin is different.

You can see that a) is correct.

I'd suggest however that "The A pin and B pin have different widths" is a more natural alternative.

3. ## Re: "AND" with singular

Originally Posted by gorikaz
There are two pins, A and B, which connect a line. The width of the A pin is 0.5 cm. and the width of the B pin is 1.0 cm.

Based on the above fact, which of the following is correct to say?
a) The width of the A pin and the width of the B pin are different.
b) The width of the A pin and the width of the B pin is different.

Some people say a) is correct and others say b); thus, I get confused.
First of all, you should not call them "A pin" and "B pin" this can be confusing, since "A pin" looks like "a pin" where the "a" is an article. They should be called "pin A" and "pin B".

While sentence "a)" is correct it is poorly written. It could be written as

The widths of pin A and pin B are different.

This makes the form of the verb easier to figure out and is easier to read.

Naamplao,