ചാള്‍സ് ഡിക്കൻസിന്‍റെ കൃതി അല്ലാത്തത് ഏത്?

A cyclist goes 40km towards East and then turning to right he goes 40km. Again he turn to his left and goes 20km. After this he turns to his left and goes 40km, then again he turns right goes 10km. How far is he from his starting point ?

Some boys are standing in a queue. If the tenth boy from behind is 5 behind the 12th boy from the front, how many are there in the queue ?

Facing south A starts his journey and make turning towards left and right in the sequence given below.Which sequence will finally lead A to a direction other than south ?

Introducing a man, a woman said “His wife is the only daughter of my father”, How is that man related to woman ?

A, B, C, D, E and F are sitting in six chairs regularly placed around a round table. It is observed that A is between D and F, C is opposite to D, D and E are not on neighboring chairs. Which one of the following must be true ?