Why Wine Glass Stem is so long?

Manish has to secure 40% marks to pass his B.tech final exams.
He got just 40 marks and failed by 40-marks.

What is the maximum marks?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

Solve the counting riddle by identifying the number of triangles in the given picture.

A Car is crossing a bridge 2 miles long. The bridge can only hold 10000 lbs, which is the exact weight of the car. The Car makes it half way across the bridge and stops. A bird lands on the car. Does the bridge collapse? Explain.

I am sure no one can have two things for dinner. what are they?

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

A worker is to perform work for you for seven straight days. In return for his work, you will pay him 1/7th of a bar of gold per day. The worker requires a daily payment of 1/7th of the bar of gold. What and where are the fewest number of cuts to the bar of gold that will allow you to pay him 1/7th each day?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?