Why is it very easy to weigh a fish?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?

When it is alive we sing, when it is dead we clap our hands. What is it?

Which country gets ill every time?

Can you spot the hidden girl in the picture below?

In a town, there are four houses located at different distances from each other. Following are the distances:

The third house is 60 meters apart from the first house.
The fourth house is 40 meters apart from the second house.
The third house is 10 meters nearer to the fourth house than it is to the second house.

Can you find out the distance between the fourth and the first house?

Andrew’s doctor gives him three pills and tells him to take one every half hour. How much time will have passed by the time Andrew’s taken all three pills?

Can you find out the total number of triangles in the given figure?

Count the squares in the matchstick puzzle below?