Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

What is the longest word in the dictionary?

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

Decode this picture on T-Shirt and tell what it says ?

Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

There was a man he lives in a hotel each morning he presses the first floor button each evening if there is a person in the elevator he asks him to press the 10 floor button if there is no one in the elevator he takes the stairs why.

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

I am beautiful, up in the sky. I am magical, yet I cannot fly. To people I bring luck, and to some people, riches. The boy at my end does whatever he wishes. What am I?