You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

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?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

You enter your friend's room. He is not in his room. Although you see that on the bed there are two dogs, five cats, two giraffes and three pigs. Also, a couple of chickens and ducks are flying in the room.

Calculate the number of legs standing on the floor.

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 man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off.

How many candles Sayna have at the end?