Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

1. Where does Easter come from before Valentine's Day?

2. Do you know what is in the middle of Valentine's?

3. What did the lady bee say to the man bee on the occasion of Valentine's Day

Eight of us go fourth, not back, to protect our king from an attack. What are we?

A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?

Can you solve the below geography rebus by decoding the below rebus ?

Can you find the mistake in the below statement?

During an experiment, a guy throws a bouncy ball from a 100 feet tall building. The ball has a specific characteristic. Every time it hits the ground, it bounces up halfway.

How many bounces do you think the ball will make before it comes to a stop ?

My location can be determined by the below rebus.
So where am i ?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?