What is next number in the pattern below:

131 517 192 123 ?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

Tell me the Hindi name of a Vegetable which if we remove 1st word will become a precious Stone and by removing the last word it will become a sweet eatable.

What Time Should the last watch show in the below figure?

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

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

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"