If 21x = 79x, what is the value of x?

Find the smallest sentence with all the English alphabet.

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

The two towns are exactly 100 km apart. John leaves City A driving at 30 km/hr and Jacob leaves City B half an hour later driving at 60 km/hr. Who will be closer to City A when they meet?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

What is the next number in this matchsticks series riddle?

In which direction should the missing arrow point?

Bay of Bengal is in which state?

I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?