logoic 2

LOGICAL PUZZLES 2
ANSWER

QUESTION

A standard sized cigarette can be rolled out of 8 standard sized cigaratte butts . How many cigarettes can be made and smoked from 64 butts ?

ANSWER ( 1 ) :

9 cigarettes .
Out of 64 butts , 8 cigaretts have been smoked there will again be the 8 butts which san be made into another cigarette ,so the answer is 9 .

QUESTION

A cube object 3 x 3 x 3 is painted blue on all over the outside surface including the top and bottom .If the cube is cut into 27 cubes of 1 x 1 x 1 .How many cubes do have any painted surface ?

ANSWER ( 2 )

26
Only the box in the very center of the stack will not suffer the strokes of the paint ,whereas all the other 26 boxes will have at least one side painted .

QUESTION

If 5 tyres were used on a car which has travelled 20000 miles , how many miles has each type sustained , if all the tyres were used equally in sustaining this mileage ?

ANSWER ( 3 ) :

16000 MILES
When the car travels one mile each of the 4 tyres sustain one mile use .
Therefore , when a car has travelled 20000 miles a total of 80000 miles has been used .
since this mileage has been gathered on 5 tyres each tyre has been used for 16000 miles .

QUESTION

A heavy tree trunk can be sawed into a 12 meter long piece in 1(one) minute .How long will it take to saw it into twelve equal pices ?

ANSWER ( 4 ) :

11 minutes
Since the tweleth pieces does not requre sawing .

QUESTION

In my watch the minute hand and the hour hand were coming together every 65 (sixty five) minutes .
Was my watch gaining or losing time and by how much per hour ?

ANSWER ( 5 ) :

60/148 of a minute per hour
If 65 minutes be counted on the face of the same watch then the problem would be impssible, because the hands must coincide every 65(5/11) or 720/11minutes as shown by it face and it hardly matters wheather it runs faster or slow . However , if it is measured by actual time . It gains 5/11 of a minute in 65 minutes or 60/148 of a minute per hour .