Brain teasers / Adults

Brain Teasers for adults

2500+ logic puzzles, math riddles, tricky and challenging questions for adults!

Puzzles solving helps to keep your brain toned!

7 puzzles to train your logical thinking

Brain Teaser for adults

There are 5 more red balls than yellow ones. Choose the appropriate scheme.

There were 3 red, 4 yellow and 5 green cars parked. 8 cars went away.
Cars of what color has definitely become less than it was?

Famous brain teaser for adults

A puzzle that preschoolers solve quicker than adults :)

There are three kinds of sensors in the box.
A third of all the sensors are motion sensors. There are 7 leakage sensors less than motion sensors. The other 19 sensors are temperature sensors.
How many sensors are in the box?

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Puzzle for adults count the triangles

How many triangles are in the picture?

Puzzle about Archie and Kent parrots

Archie lied on Mondays, Tuesdays, and Wednesdays, but told the truth every other day of the week.
Kent lied on Thursdays, Fridays, and Saturdays, but told the truth every other day of the week.
Archie: I lied yesterday.
Kent: I lied yesterday, too.
What day of the week was yesterday?

Brain Teaser for adults about friday

Every Friday, Tim visits his favorite coffee shop. Each month, he visits the coffee shop 4 times. But some months have more Fridays than others, and Tim visits the coffee shop more often.
What is the maximum amount of months like this in a year?