How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

If you say my name, I will no longer exist. What am I?

In the four images below, can you find the odd one out?

John is found dead in his office at his desk. The police have narrowed the suspects down to three people: Mrs. Jacob, John’s wife Hena and his business partner Jason . All three visited John on the day of his murder, but all three provide the police with stories of explanation as to the reason for their visit.
Police found John with his wrist watch still on his right arm, a torn up picture of his wife laying on the floor beside the trash can, and an ink pen in his right hand. On the desk, the police found a name plate, a telephone that was off the hook, and a personal calendar turned to the July 5th page with 7B91011 written on it. After examining this evidence, the police knew their suspect. Who was it ?

There are six people in a family namely M, N, O, P, Q and R.

R and O are brother and sister.

N is the brother of Q's husband.
P is the father of M and grandfather of R.

How many male members are in the family?

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

I look at you, you look at me, I raise my right, you raise your left. What am I?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different.

How do you measure 45 minutes?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?