why number 8549176320 is one of a kind?

Speaking of rivers, a man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?

In the image below, can you find the value of an angle(y)

Which Travels Faster? Solve below famous picture riddle:

Find the missing letter in the last circle logically in the given below picture.

I know a number which is spelt in alphabetical order.
Do you?

An explorer goes on an exposition in the jungle. He sets up camp in the middle of the jungle. The next morning he sees something with a head and a tail, but he is not afraid. What did he see in his bag?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

Find three numbers such that When we multiply three numbers, we will get the prime numbers. The difference between the second and the first number is equal to the third and second.

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?