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

How many times can you subtract the number 5 from 25?

What is the end of everything?

Before the start of the car race, John and Jacob have the same amount of fuel in their car. With this fuel, John can drive for 4 hours while Jacob can drive five hours.
After a time they realize that the amount of fuel left in John's car is 1/4th of the fuel in Jacob's.

For how long they are racing?

I have nine bottles of wine and one of the nine bottles is poisoned.
I need to find the poisoned bottle with two facts
(1) Poison is deadly, only a sip will cost death
(2) I have two mice to do so.

How should I do it?

What does this mathematical rebus means ?

Which word does the below Plexor means ?

Count the number of triangles in the picture below:

I have a big mouth and I am also quite loud! I am NOT a gossip but I do get involved with everyone's dirty business.

If,

Akriti = 631
Levis = 521
Sroti = 521
Aneel = 533
Then,
Sunil =?