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

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

Andrew’s doctor gives him three pills and tells him to take one every half hour. How much time will have passed by the time Andrew’s taken all three pills?

A man is found dead with a knife in his back When the investigation is done. A chair lays beside him and the forensic team finds moisture around the body.

If he committed suicide, how did he do it?

A family is trapped in a jungle. There is a bridge which can lead them to safety. But at one time, the bridge can only allow two people to pass through. Also, all of them are afraid of the dark and thus, they can't go alone.

Father takes 1 minute to cross, the mother takes 2 minutes, the son takes 4 and the daughter takes 5 minutes. While crossing the time taken will be according to the slower one. How can they all reach the other side in the minimum possible time?

What does below chemistry rebus means?

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?

Can you find the odd one out from the below words ?

First Second Third Forth Fifth Sixth Seventh, Eighth Nine Ten Eleven Twelve.

What does this rebus means ?

PROG WORKRESS

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?