Logic riddles

Logic riddles

I can run without ever getting tired. And whenever I run, I drive people crazy and make them unhappy. I don’t even have to move to irritate them.
What am I?

Answer

A runny nose.

Wednesday, Tom and Joe went to a restaurant and ate dinner. When they were done they paid for the food and left. But Tom and Joe didn't pay for the food.
Who did?

Answer

Their friend Wednesday.

3 2 8 4
7 6 9 3
9 5 6 4
2 1 9 ?

What number should replace the question mark?

Answer

8
In each row multiply the first and third digits to obtain the number formed by the second and fourth digits

What shines all day and night?

Answer

Sun (always shines but may be on the other side of the world)

I sometimes run, but never walk. You follow me wherever you go.
What am I?

Answer

Your nose.

I lose my head in the morning, but get it back at night.
What am I?

Answer

A pillow.

Sometimes I am loved, usually by the young. Other times I am dreaded, mostly by the old. I am hard to remember, also hard to forget. And yet, if you do, you’ll make someone upset. Even if you don’t want it to happen, embrace me.
What am I?

Answer

Birthday.

Weight in my belly, trees on my back, nails in my ribs, feet i do lack.
¿What am I?

Answer

Ship.

What is made of wood but can't be sawed?

Answer

Sawdust

If 1+4=5, 2+5=12, and 3+6=21;

what is 8+11?

Answer

96

a +b = c - > a*b+a
1+4 = 5 -> 1*4+1
2+5 = 12 -> 2*5 +2
……
8+11 = 96 -> 8*11+8

Which is heavier? A thousand lbs. of feathers or a 1000 lbs. of feathers.

Answer

They both are a 1000 lbs and weigh the same.

Take away my first letter and I remain the same. Take away my last letter and I remain unchanged. Remove all my letters and I’m still me.
What am I?

Answer

Mailman.

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