The more of this there is, the less you see. What is it?

How many times do a clock's hands overlap in a day ?

A cricket has 6 legs, a squirrel has 4 legs and a spider has 8 legs.

In a local zoo, it was found that the total number of legs is 612. Also, there are equal number of each of the above animals/insects.

Can you find out how many animals are there in the zoo?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

What makes this number unique: 8,549,176,320?

Find the Odd One Out?
84129
32418
47632
36119
67626
72927

John was driving a bus and got stuck when passing through an underpass. Then came Jacob with a needle and got the bus out of the underpass.

What did the boy do?

What has many keys but can’t open a single lock?

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes