Can you calculate the probability of getting a sum of six when a dice is thrown twice?

'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?

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

Accidentally, two trains are running in the opposite direction and enter a tunnel that is 200 miles long. A supersonic bird that has fled the lab and taken shelter in the tunnel starts flying from one train towards the other at a speed of 1000 mph. As soon as it reaches the second train, he starts flying back to avoid collision and meets the first train again at the other end. The bird keeps flying to and fro till the trains collide with each other.

What is the total distance that the supersonic bird has traveled till the trains collided?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?

A and B have a certain number of chocolates with them. If B gives one chocolate to A, they will have an equal number of chocolates. But if A gives one chocolate to B, then A will be left with half the number of chocolates that B has.

Can you find out the number of chocolates they have right now?

Find the number of squares in the below-given picture.

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?