There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

Find the number of squares in the below picture

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

O T T F F S S ?

Can you solve the photo plexer logic ?

How many times can you subtract the number two from the number fifty?

Can you find the mistake in the below statement?

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?

What happened when the wheel was invented?

Replace the question mark with the correct number in the below-given picture?

A frog is at the bottom of a 30-meter well. Each day he summons enough energy for one 3-meter leap up the well. Exhausted, he then hangs there for the rest of the day. At night, while he is asleep, he slips 2 meters backwards. How many days does it take him to escape from the well?