Why are all black people so quick ?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

What does below Rebus mean ?

esgg sgeg gegs gsge

Identify the hidden meaning behind this picture?

A sundial has the fewest moving parts of any timepiece. Which has the most?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

John, Jack and Jill are in a desert. John doesn't like Jill and hence decides to murder him. He poisons the water supply of Jill. Since it is a desert area, Jill must drink or he will die of thirst.

Jack does not know of the actions of John and also decides to murder Jill. To succeed in his ill motives, he removes the water supply of Jill so he dies of thirst.

Jill dies due to thirst. Who murdered Jill?

What do the following words have in common?

Assess
Banana
Dresser
Grammar
Potato
Revive
Uneven
Voodoo

If,

A = 1

B = 2

C = 3

...

...

Z = 26.

Based on above rule, you need to find an eleven letter word whose letter sum is equal to 52.

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10