Why 1729 is a magic number? Answer Logically.

Consider this about a word: The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

Our product and our sum always give the same answer. Who are we?

Find the next number in the series.
1 10 24 43 67 ?

A boy and a girl are sitting on the porch.
"I'm a boy," says the child with black hair.
"I'm a girl," says the child with red hair.
If at least one of them is lying, who is which?

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

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

We are a group of eight brothers. We consider the weak, yet we protect the king in every battle. If we move ahead, we never turn back. Who are we?