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

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

A man was found murdered on Sunday morning. His wife immediately called the police. The police questioned the wife and staff and got these alibis: The Wife said she was sleeping. The Cook was cooking breakfast. The Gardener was picking vegetables. The Maid was getting the mail. The Butler was cleaning the closet. The police instantly arrested the murderer. Who did it and how did they know?

If EELS + MARK + BEST + WARY = EASY

What does HELP + BARK + WARD + LEAD equal?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

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

Can you solve the rebus below?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?