What number comes next in this sequence:
7 8 5 5 3 4 4 _

The pound is not a finish.

We are sharing a few instructions below, which you have to use in any suitable order to modify the above sentence such that the end sentence is a scientific fact.

- Eliminate a letter and supplement another in its place.
- Take away one word.
- Remove one letter from one word.
- Get rid of two letters from one word.
- Swap a word with its antonym.

What Time Should the last watch show in the below figure?

With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?

Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10

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

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?

Can you find the key in the picture below?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?