Count The number of F's in the paragraph below:

"FINISHED FILES ARE THE RESULT OF YEARS OF SCIENTIFIC STUDY COMBINED WITH THE EXPERIENCE OF YEARS"

Can you write down eight eights so that they add up to one thousand?

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

Find the missing letter in the last circle logically in the given below picture.

My grandson is about as many days as my son in weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 120 years. Can you tell me my age in years ?

I am an odd number. Take away a letter and I become even. What number am I?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?