They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

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?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

I am white when I am dirty, and black when I am clean. What am I?

He digs out tiny caves and stores gold and silver in them. He also built bridges of silver and made crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs his help, yet many people are afraid to let him help them. Who is he?

My first is in chocolate but not in ham. My second is in cake and also in jam. My third at tea time is easily found. Altogether, this is a friend who is often around. What is it?

How can you take 2 from 5 and leave 4?

I know a nine-letter word having only one vowel.
Do you ?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?