Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

The answer I give is yes, but what I mean is no. What was the question?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

Why Wine Glass Stem is so long?

Can you count the number of squares in the given picture?

A rain drop fell from one leaf to another leaf and lost 1/4th of its volume. It then fell to another leaf and lost 1/5th of the volume. It again fell on another leaf and lost 1/5th of the volume.



This process kept repeating till it fell on the last leaf losing 1/75th of its volume.



Can you calculate the total percentage of loss from the initial volume when the drop has fallen to the last leaf accurate up to two decimal places?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

Find out which of the given views in the picture is accurately the top view of the given pyramid.