On rolling two dices (six-sided normal dice) together, what is the probability that the first one comes up with a 2 and the second one comes up with a 5?

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

What is the next number in this matchsticks series riddle?

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?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

Spot 5 differences in two Christmas tree below:

I am lying and I always lie. Tell me whether I am lying or telling the truth.

A cricket has 6 legs, a squirrel has 4 legs and a spider has 8 legs.

In a local zoo, it was found that the total number of legs is 612. Also, there are equal number of each of the above animals/insects.

Can you find out how many animals are there in the zoo?

What is the centre of gravity?

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