Can you find out the remainder when 3^300 is divided by 5?

Can you count the number of triangles in the given picture?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

What does this mathematical rebus means ?

You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

Find out the missing number in the picture attached:

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

Which is Odd One Out and why?

4377

3954

9862

8454

9831

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?