Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

A tourist visits a small town for his research. While in the town, he decides to get a haircut. Since the town is quite small, there are only two barbers in the town � one on the North Street and one on the South Street. The barbershop on the North Street is a mess and the barber has a weird and pathetic haircut. While the barbershop at the South Street is pretty tidy and the barber as well has an impressive haircut.

Which barbershop will the tourist visit for his haircut and why?

Why is 6 afraid of 7?

Can you find out the number that should replace the question mark with a valid reason?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

Find the next number in the sequence

5 12 24 36 ?

There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

A chicken farmer has figured out that a hen and a half can lay an egg and a half in a day and a half. How many hens does the farmer need to produce one dozen eggs in six days?

Take away the whole and some still remain. What is it?