Can you fill the blank with the correct number?

6 30 870 756030 _____

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

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?

A frog is at the bottom of a 30-meter well. Each day he summons enough energy for one 3-meter leap up the well. Exhausted, he then hangs there for the rest of the day. At night, while he is asleep, he slips 2 meters backwards. How many days does it take him to escape from the well?

What word begins and ends with an E, but has only one letter?

I have an eye but still cannot see.

Who am I?

A sundial has the fewest moving parts of any timepiece. Which has the most?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

Can you solve the below geography rebus by decoding the below rebus ?

What is both possible and impossible at the same time?