using four eights (8) and a one (1) and one mathematical symbol , create the number 100

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?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

What do you think with the below Picture ?

When can we add 2 to 11 and get 1 as the correct answer?

Lady Gaga is pregnant and currently has 6 daughters

1. Dorry 2. Rebeka 3. Michael 4. Faniya 5. Sophia 6. Lavanya

What will she name her next child girl? (Think Logical)

A. Neema B. Tanya C. Tisha D. Jenniffer

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

Prove that twice of ten is the same as twice of eleven.

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

Can you figure out the logic I used to decide the order of the following words:
gun, shoe, spree, door, hive, kicks, heaven, gate, line, den