Riddles and Brain Teasers

Two Hands But Can’t Clap

I have two hands but I cannot clap. What am I?

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A clock.

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Three Eyes But One Leg

I have three eyes but only one leg.
I still close one even if you beg.

What am I?

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A traffic light. It has three “eyes” (the red, orange and green lights) and the leg is the pole holding it up. Many people beg the light to stay green as they’re approaching.

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Seen in the Water

I am seen in the water
If seen in the sky,
I am in the rainbow,
A jay’s feather,
And lapis lazuli.

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Blue.

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Make This Addition Problem Correct

This math problem is currently wrong.

11 + 66 + 88 + 96 = 294

How can you make it actually equal 294?

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Flip the numbers upside down:

11 + 99 + 88 + 96 = 294

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So Simple I Only Point

I’m so simple I only point,
Yet I guide people all over the world.

What am I?

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A compass.

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A Trapped Flock of Birds

A flock of birds are trapped in a delivery truck. When would the truck weigh the most?

a) When the birds are resting on the floor
b) When they’re all flying
c) The weight remains the same

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c – The weight doesn’t change since it’s a closed system.

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Debbie’s Dragster

Debbie starts driving her dragster from rest and constantly accelerates to 60 mph in 10 seconds. How far does she travel in those 10 seconds?

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1/12 mileTen seconds is 1/6 of a minute and 1 minute is 1/60 of an hour, so 10 seconds is 1/360 of an hour.If you graph her trip with the speed on the y-axis and the time on the x-axis, you get a triangle with height of 60 mph and width of 1/360 of an hour. To calculate the area of the triangle, you multiply 1/2 × 1/360 × 60 = 1/12.

1/12 mile

Ten seconds is 1/6 of a minute and 1 minute is 1/60 of an hour, so 10 seconds is 1/360 of an hour.

If you graph her trip with the speed on the y-axis and the time on the x-axis, you get a triangle with height of 60 mph and width of 1/360 of an hour. To calculate the area of the triangle, you multiply 1/2 × 1/360 × 60 = 1/12.

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Peppino’s Hat

Peppino bought a new hat and Tito asked what day he bought it. Peppino replied, “If yesterday was tomorrow, today would be Tuesday.” On what day did Peppino buy his hat?

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Thursday. Yesterday (from Thursday) is Wednesday, which is tomorrow with respect to Tuesday.

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Imprisoned In Wood and Never Released

I am taken from a mine and shut up in a wooden case from which I am never released. Yet I am used by almost everybody. What am I?

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Pencil lead. While modern pencils don’t contain lead, that’s still what we call the graphite compound. When real lead was used in pencils it was mined and nearly everyone has used a pencil at some point in their life.

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