What does it mean?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

Katniss and Peeta are liars. They both lie on some specific days.

Katniss lies on Fridays, Saturdays and Sundays. She speaks the truth on all other days.

Peeta lies on Tuesdays, Wednesdays and Thursdays. He speaks the truth on all other days.

Can you tell that one day of the week when both of them will say "Tomorrow, I will lie."?

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?

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

Who am I?

Women do it once a year after they turn 19 but men get to do it only once in a lifetime. What is it?

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

What begins with T, ends with T, and has T in it?