How many times in a given day, minutes and hour clock comes in a straight line ?

Count the Triangle in the figure given below:

What is the unique property of the following words ?
* Revive
* Banana
* Grammar
* Voodoo
* Assess
* Potato
* Dresser
* Uneven

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

On a windy rainy night , I was driving in my car.
When i reach the bus stand , i see three people waiting for the bus.

1. An old lady who needs an immediate medical attention
2. My Best Friend
3. Girl whom i love from childhood

My car is a two seat, so can you tell me , what i have done in this situation ?

Can you solve below mathematical equation?

2^1234 - 2^1233

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

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.