The sum of a mother, her baby and her dog's weight is 170 Kg. How much does the baby weigh if the mother weighs 100 kg more than the combined weight of the baby and the dog, and the dog weighs 60 per cent less than the baby?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

Move three sticks of the spiral below to form a square.

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

Can you guess the name of the month by looking the below rebus ?

What is the last thing you take off before bed?

Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?

What does this simple rebus mean?