Solve the mathematical equation in the picture below.

A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

Can you count the number of blocks in the picture below?

Using mathematical symbols like +, -, and x in order to make the equations correct. Replace # with the above-given symbols.

9 # 8 # 7 # 6 # 5 # 4 = 91

Why is the Hole below a Lock?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

I am quite hot but become too cold if you remove the first two letters. What am I?

What do you answer even though it never asks you questions?

Identify the 10 differences between the two given pictures.