You need to arrange three 7 and mathematical symbols to form number 1?

A mother bought three dress for her triplets daughters(one for each) and put the dresses in the dark. One by one the girls come and pick a dress.
What is the probability that no girl will choose her own dress?

I am 5 letters long.
My first two tell you who I am
My first 3 could be a medicine
My last three reversed could be a young boy.
My 4th, 3rd and 2nd in that order could be a fruit drink.
If you have me you may hang me round your neck
WHAT AM I ?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

What does this rebus puzzle means ?

In the image below, can you find the value of an angle(y)

10+10 and 11+11 can give you the same answer.

Explain how?

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

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

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?