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"

Which famous Hollywood movie name is hidden in the below rebus?

Buy me, smell me or deliver me, I do not change.

Who am I?

Where do fish keep their money?

I have two sand hourglasses:
1. A 7 minute one and
2. An 11-minute one.

Using just these 2 sand hourglasses, how can I measure time as 15 minutes?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?

You need to remove two matchsticks to make the below equation true. Can you do it ?