An office is divided into 8 cubicles. How many of the cubicles are painted if only 1/8 of the cubicles are painted?

In The 1st month of this year(the year 2013), I noticed that the date 13-1-13 (13 January 2013) is special.

This date is special as:

Date * Month = Year.

Can you figure out which year of this century has a maximum number of such dates?

You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

A bus driver was heading down a street in Mexico. He went right past a stop sign without stopping, he turned left where there was a "no left turn" sign, and he went the wrong way on a one-way street. Then he went on the left side of the road past a cop car. Still - he didn't break any traffic laws. Why not?

In the figure that has been attached to this question, each digit represents a digit. The similar letters carry the same integer value. Can you expose the original digits?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

Which is faster, Heat or Cold ? Explain.

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?