Spot 5 differences in two Christmas tree below:

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

When 99 is considered higher than 100?

Count the number of triangles in the picture below:

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

What does this below rebus puzzle mean?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

Can you find the six hidden animals in the picture below?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT