What is wrong in the below Picture?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

Find out the missing number in the picture attached:

This is a simple one. You just have to count the number of Fs in the given sentence.

Finished Files are the result of years of scientific study combined with the experience of years.

How many did you count?

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

A man is approaching a broad and barren land. He has a package with him. If somehow, he is unable to open the package before reaching the land, he will die.

Can you guess what is present in the package?

What type of tree can I carry in my hand?

What is the word or phrase below?
R | E | A | D

Can you find the odd number in the following?

2716, 4135, 5321 and 7145