Count the number of balls in picture below:

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

You can find some missing letters in the picture. By placing two particular letters in the spaces, you can form a nine lettered word beginning from one of the corners and going clockwise direction to the middle. Can you find out the letters and the word?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

During an interview, the interviewer ordered hot coffee for the candidate to relieve the stress. The coffee was kept before him. After a minute, the interviewer asked him, 'What is before you?' He replied 'Tea'.

The candidate was selected immediately. Why?

Use the digits from 1 up to 9 and make 100.

Follow the rules.
=> Each digit should be used only once.
=> You can only use addition.
=> For making a number, two single digits can be combined (for example, 4 and 2 can be combined to form 42 or 24)
=> A fraction can also be made by combining the two single digits (for example, 4 and 2 can be combined to form 4/2 or 2/4)

Question: how can we do this?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?