I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

Using Only Five 5's and any mathematical operator make sum as 37

Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

Complete the table series riddle by finding the number that can replace "??".

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

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?

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

Forwards I am heavy, backward I am not. What am I?

The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?