How many times in a given day, minutes and hour clock comes in a straight line ?

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

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

Find the missing number: 1, 2, 3, 10, 10, ?, 9,802

what one word does the below rebus identifies?

There were two grandmothers and their two granddaughters.
There were two husbands and their two wives.
There were two fathers and their two daughters.
There were two mothers and their two sons.
There were two maidens and their two mothers.
There were two sisters and their two brothers.
Yet there are only six, who are buried here,
All are born legitimate and relationships clear.
How can this happen?

Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?