During which month do people sleep the least?

How many times can you subtract the number 5 from 25?

What has many keys but can’t open a single lock?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

If an electric train is travelling south, then which way is the smoke going?

Do You See It?

I am a type of food that is often found in the fridge and can be white in colour. What I am?
Hint 1: I am a dairy product.
Hint 2: You can spread me on the bread.

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?

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?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?