What is the coolest letter in the alphabet?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

Find out the number of circles in the given picture having Illusion

Can you count the number of triangles in the picture below?

A man died and leaves Rs.10,000 in his will. There are 6 beneficiaries- his 3 sons and their wives. The 3 wives receive Rs.3960 of which Priyanka gets Rs.100 more than Tanu and Neha gets Rs.100 more than Priyanka.
Pramod gets twice as much as his wife, Tushar gets the same as his wife, and Prashant gets 50% more than his wife.

Who is married to whom?

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 name any English verb that becomes its past tense by simply rearranging the alphabets ?

What is the difference between a jeweller and a jailer?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

Prove that twice of ten is the same as twice of eleven.