Solve the following logic puzzles that relate to inhabitants of the islandof knights and knaves created by Smullyan, where knights always tell the truth and knaves alwayslie. You encounter two people, A and B. Determine, if possible, what A and B are if they addressyou in the ways described. If you cannot determine what these two people are, can you draw anyconclusions

Person A is knave

Person B is knight

Explanation:

P.S - The exact question is -

Given - A says '' The two of us are both knights '' and B says '' A is knave ''

To find - Solve the following logic puzzles that relate to inhabitants of the island of knights and knaves created by Smullyan, where knights always tell the truth and knaves always lie. You encounter two people, A and B. Determine, if possible, what A and B are if they address you in the ways described. If you cannot determine what these two people are, can you draw any conclusions.

Proof -

Given that the statement is -

A says '' The two of us are both knights '' and B says '' A is knave ''

Now,

There are 2 options for A -

Either A is knight or A is knave

If A is knight -

As knight always tell the truth, So, A is telling truth.

A says The two of us are both knights

It means both A and B are knights

It means both are telling the truth

But B says A is knave and it is false.

So, A can not be knight.

If A is knave -

It means B is knight

It means B says truth

B says A is knave and it is the truth.

So,

we get

A - knave

B - knight

the service industry in the united states grew in the late 1800s. what was one effect of that growth?

the number of people with jobs in factories as unskilled workers decreased.

the number of people with jobs in factories as unskilled workers increased.

the middle class grew as people took jobs as clerks, lawyers, and teachers.

the middle class shrank as people left jobs as clerks, lawyers, and teachers.

the legal limit for the drivers who can drive after consuming any amount of alcohol is 21 years.

explanation:

on november 1, 1996, a "zero tolerance law" was put into effect in the new york state.

according to this zero tolerance law, for people under the age of 21 years, it was illegal to purchase and possess alcohol or to drive after consuming any amount of it.

also, the alcohol involvement rate for the drivers under the age of 21 was roughly twice that of elderly drivers.