How many triangles are there on the puzzle below?

If 21x = 79x, what is the value of x?

I hide my treasure in the ground, my tail is big and fluffy. If you spot me in a tree, please don’t call me scruffy. What am I?

An old Woman left INR 33,333 to be divided equally among two fathers and two sons and each was to receive INR 11,111.
How was this possible?

A chicken farmer has figured out that a hen and a half can lay an egg and a half in a day and a half. How many hens does the farmer need to produce one dozen eggs in six days?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

If an electric train is travelling south, then which way is the smoke going?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

81 x 9 = 801. What must you do to make the this equation true?

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