Solve the quickfire maths brain teaser √9% = ?

I have two hourglasses
A) Measures an exact 7 hours
B) Measures an exact 4 hours.

Using these two hour glasses, you need to measure an exact nine hours ?

Adam is one of the finalist in an IQ championship. As the final test, he is provided with two hourglass. One of them can measure eleven minutes while the other one can measure thirteen minutes.
He is asked to measure exactly fifteen minutes using those two hourglasses. How will he do it ?

5+3+2 = 151022
9+2+4 = 183652
8+6+3 = 482466
5+4+5 = 202541
9+5+5 = ??????

I am a country but I become a part of your body if the last alphabet of my name is removed. Can you name me?

If A + B means A is the mother of B; A - B means A is the brother B; A % B means A is the father of B and A x B means A is the sister of B, which of the following shows that P is the maternal uncle of Q?

Pointing to a photograph of a boy Suresh said, "He is the son of the only son of my mother." How is Suresh related to that boy?

If,

Fernando + Alonso + McLaren = 6

Fernando x Alonso = 2

Alonso x McLaren = 6

Then,

McLaren x Fernando =?

If A + B means A is the brother of B; A - B means A is the sister of B and A x B means A is the father of B. Which of the following means that C is the son of M?

1. M - N x C + F
2. F - C + N x M
3. N + M - F x C
4. M x N - C + F

Let's say in a lottery Samuel have a 4% chance of winning the jackpot.
All lined up and 1st four people on the line lose. Samuel is 5th in the row.
What's the chance of Samuel winning now?