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?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

what's the probability of getting a king or a queen from a pack of 52 cards?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

In a kingdom, King George did not allow any citizen to visit the world outside. Also, only a person with proper paperwork was allowed to enter or he was sent back. A wooden bridge was what connected the kingdom to the world. The king had appointed a sharpshooter who would check the every five minutes on the bridge to check. After checking, he would go back to his hut and return exactly after five minutes again. The bridge took 9 minutes to cross.

A merchant was able to escape the kingdom without harming the shooter. How?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

You measure my life in hours
I serve you by expiring
I vanish faster when I am thin
and slower when I am thick
The wind is my energy
What am I?

What is the word or phrase?