Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

The current time can be represented by below textual rebus.

0
=========
B.Sc
LLB

Can you tell us the current time?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

During which month do people sleep the least?

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

What is the word or phrase?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

A cricket has 6 legs, a squirrel has 4 legs and a spider has 8 legs.

In a local zoo, it was found that the total number of legs is 612. Also, there are equal number of each of the above animals/insects.

Can you find out how many animals are there in the zoo?

I want to fill my bucket using both cold and hot water.
I have two taps for both cold and hot water. The hot water tap fills the bucket in exact 6 hours and the cold water tap fills the bucket in exact 4 hours.
I turn both of them simultaneously but I forgot to turn off another tap which removes the water out of the bucket. This tap can empty the bucket in 12 hours.

How Long will it take to fill the bucket?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?