I am a five-letter word and comprises two different vowels and three same consonants. I am so strong that I can spoil your entire work.

Can you find out who am I?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

Which alphabet is a part of our body?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

If it took eight men ten hours to build a wall, how long would it take four men to build it?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

You have $100 with you and you have to buy 100 balls with it. 100 is the exact figure and you can't go below or above the numbers and you have to use the entire $100. If there is no kind of tax applied how many of each of the following balls will you be able to buy:

Green Balls costing $6
Yellow Balls costing $3
Black Balls costing $0.10

Now, how many of each must you buy to fulfil the condition given?

A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?