Pointing to a man in a photograph a woman says. He is the father-in-law of the wife of only paternal grandson of my own father-in-law. How is woman related to man? 

Stethoscope: Heartbeat:: ? : Temperature 

Find the next number in the given series.

3, 13, 31, ? , 91

Directions: In question below. Some statements are given followed by conclusions/group of conclusions. You have to assume all the statements to be true even if they seem to be at variance from the commonly known facts and then decide which of the given conclusion given in the options logically follow from the information given in the statements:

Statements:
No nail is pain.
No body is pain.
Only a few pain is arm.

Spider: Insect :: Crocodile : ? 

Sushant said, "This girl is the wife of the grandson of my mother." who is Sushant to the girl? 

Ashok walked five metres towards East and took a right turn and walked 10 metres and again he took a right turn and walked 15 metres. Which direction is he facing now?

If the following five words are arranged in alphabetical order, which word will come in the middle?