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Showing posts with label puzzles. Show all posts
Showing posts with label puzzles. Show all posts

Saturday, October 17, 2015

Logical puzzle

1.You work at a fruit factory.
There are 3 crates in front of you. One crate contains only apples. One crate contains only oranges. The other crate contains both apples and oranges. And each crate is labeled. One reads "apples", one reads "oranges", and one reads "apples and oranges". But the labeling machine has gone crazy and is now labeling all boxes incorrectly. If you can only take out and look at just one of the pieces of fruit from just one of the crates, how can you label ALL of the crates correctly?

Answer:Take a piece of fruit from the "apples and oranges" crate. If it's an apple then you know that is the "apples" crate since ALL THE CRATES ARE LABELED INCORRECTLY. This means the crate marked "apples" must be "oranges" and the crate marked "oranges" must be "apples and oranges".

2.There are three boxes in a table. One of the box contains Gold and the other two are empty. A printed message contains in each box. One of the message is true and the other two are lies. The first box says 'The Gold is not here'. The Second box says 'The Gold is not here'. The Third box says 'The Gold is in the Second box'. Which box has the Gold?

Answer:As the message contains one truth, the third says that the gold is in the second box, if it is to be true, then the first box message will also become true. So Gold cannot be in second and third boxes. Gold is in the first box.

3.Miss Anne has eleven kids in her class. She has a bowl containing eleven apples. Now Miss Anne want to divide the eleven apples to the kids, in such a way that a apple should remain in her bowl. How can Miss Anne do it?

Answer:Ten kids will get each one apple. The eleventh kid will get the apple with the bowl.

Friday, October 16, 2015

Clock puzzles

1.How many times in a day, are the hands of a clock in straight line but opposite in direction?
20 22 24 48

Explanation: The hands of a clock point in opposite directions (in the same straight line) 11 times in every 12 hours. (Because between 5 and 7 they point in opposite directions at 6 o'clcok only). So, in a day, the hands point in the opposite directions 22 times.

 2.A watch which gains uniformly is 2 minutes low at noon on Monday and is 4 min. 48 sec fast at 2 p.m. on the following Monday. When was it correct?
2 p.m. on Tuesday 2 p.m. on Wednesday 3 p.m. on Thursday 1 p.m. on Friday

Explanation: Time from 12 p.m. on Monday to 2 p.m. on the following Monday = 7 days 2 hours = 170 hours.Watch is correct 2 days 2 hrs. after 12 p.m. on Monday i.e., it will be correct at 2 p.m. on Wednesday

 3.At 3.40, the hour hand and the minute hand of a clock form an angle of:
125º 130º 120º 135º

Explanation: Angle traced by hour hand in 12 hrs. = 360º. Angle traced by it in Angle traced by minute hand in 60 min. = 360º. Angle traced by it in 40 min. Required angle (240 - 110)º = 130º.

 4.A clock is started at noon. By 10 minutes past 5, the hour hand has turned through
145º 150º 155º 160º

Explanation: Angle traced by hour hand in 12 hrs = 360º. Angle traced by hour hand in 5 hrs 10 min. = 155º

Saturday, June 27, 2015

Clock puzzles



Answer
:
5:19
Explanation
:
Starting with the watch on the left, add 42 minutes to the time shown to give the time on the next watch to the right.


Answer
:
Hand pointing to 5
Explanation
:
Starting with the top clock and moving anti-clockwise around the others, the hour hand moves back 1 hour, then 2, then 3 etc, while the minute hand moves forward 10 minutes each time.



Answer
:
To the 4
Explanation
:
Start with the top left clockface, and move around the others in a clockwise direction. The value pointed to by the hour hand equals the value pointed to by the minute hand, subtracting 4 for the first clockface, 5 for the next, then 6 etc.



Friday, June 26, 2015

Logical puzzles



Answer
:
D
Explanation
:
The number of black dots in each grid increases by 1 each time, starting with the top left grid and working to the right, top row then bottom row.



Answer
:
Q
Explanation
:
Adding the three numbers in each square together gives the numerical value of the letter at the centre of each square.



Answer
:
Hammer
Explanation
:
The Hammer = 1, the File = 3 and the Axe = 5