What is full of holes but still holds water?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

If you can spot the hidden clock quickly, you are often those with high IQs and exceptionally keen observation skills. You excel in noticing the finest details that others might miss and can process visual information at lightning speed.

Below rebus represent famous DiCaprio movie. Can you name it?

If a boy blows 18 bubbles,
Then pops 6 eats 7 and then
He pops 5 and blows 1.
How many are left?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

A Detective reviewed the information they had on the case so far.

A lady named 'Caterina' was found shot and they already had a list of suspects - Ankit, Tarun, Harish, Manoj and Manish.
The killer is a fan of challenges him by leaving notes ad various places.
* The first was found in a toilet room.
* The second was found in an art room.
* The third was in a restroom.
* the fourth in an underwater room.
* The fifth at the no-smoking room.

All of the notes read the same thing, 'The clues are where you find the notes.' Yet, nothing was found at any place the notes were.
Detective the genius, immediately solved the case.
Who was the killer?

What is harder to catch the faster you run?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?