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Time Puzzles & Riddles

Time Puzzles & Riddles 1 : Clock Riddle
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What Time Should the last watch show ?
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Time Puzzles & Riddles 2 : Classic Logical Interview Puzzle
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I have two rectangular wires.
Both of them have property that when i light the fire from one end , it will take 60 minutes to get completely burn.
However they do not burn at consistent speed (i.e it might be possible 1st 20% burn in 50 minutes and 80% can burn in 10 minutes).

So how could i measure 45 minutes ?
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Time Puzzles & Riddles 3 : Hour Glass Puzzle
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I have two sand hour glasses:
1. A 7 minute one and
2. An 11 minute one.

Using just these 2 sand hour glasses, how can i measure time as 15 minutes ?
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Time Puzzles & Riddles 4 : Logical Clock Problem
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Time in a digital clock can be palindromic like 12:12 (same when read forwards or backwards).

Whats the minimum interval between 2 times that are palindromic ?
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Time Puzzles & Riddles 5 : Cross Bridge Puzzle
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Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?
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Time Puzzles & Riddles 6 : Maths Time Puzzle
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A large water tank has two inlet pipes (a large one and a small one) and one outlet pipe. It takes 3 hours to fill the tank with the large inlet pipe. On the other hand, it takes 6 hours to fill the tank with the small inlet pipe. The outlet pipe allows the full tank to be emptied in 9 hours.

What fraction of the tank (initially empty) will be filled in 0.64 hours if all three pipes are in operation? Give your answer to two decimal places (e.g., 0.25, 0.5, or 0.75).
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Time Puzzles & Riddles 7 : What Is Time Riddle
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I noticed that in my big wall clock , there is a time when the minute and hour clock are exactly between one and two.
Also i notice both hands lie on top of each other.

What is the time i am talking about ?
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Time Puzzles & Riddles 8 : Measuring Time Interview Problem
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I possess two wires. Both of them have an inconstant thickness but both of them burns completely in sixty minutes. The problem is that I want to measure forty-five minutes while using these two wires.

How can I measure if cutting the wire in half is not possible due to non-homogeneous construction ?
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Time Puzzles & Riddles 9 : Infosys IQ Interview Question
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You are frying fishes on a pan which can accommodate only 2 fishes at one time. It takes 5 minutes to fry one side of the fish.

What is the shortest time in which you can fry 3 fishes in the same pan ?
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Time Puzzles & Riddles 10 : September Riddle
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man gave one son 10 cents and another son was given 15 cents. What time is it?
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Time Puzzles & Riddles 11 : Faulty Clock Problem
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A clock loses 10 minutes each hour.If the clock is set correctly at noon,what time is it when it reads 3 PM ?
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Time Puzzles & Riddles 12 : Logical Valentine Day Lucky Problem
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Katrina, kareena, Priyanka and Deepika visited me on the valentine's Eve.

The time of each visit is mentioned below:
A) Katrina at 8:00
B) kareena at 9:00
C) Priyanka at 10:00
D) Deepika at 11:00
*Each time mentioned above may be either AM or PM.

Also below statements hold true:
A) Priyanka did not visit me between kareena and Deepika.
B) At least one female visited me between Katrina and kareena.
C) Katrina did not visit me before both Priyanka and Deepika.

Can you tell at what time did they individually visit me ?
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Time Puzzles & Riddles 13 : Horse Wind Puzzle
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Emily learnt how to ride a horse recently. Just to test her skills, she rode the horse from her home till a mine which she covered in three minutes and returned back home from the same path only this time she took four minutes. The reason was that while riding away from home, she was supported by wind however while riding back, she was riding against the wind.

How fast do you think she could have rode a mile if there was no wind ?
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Time Puzzles & Riddles 14 : Math Logic Problem
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In a modern art gallery, an artist has numerous modern art paintings created by him. He hangs different painting on the space provided to him periodically. When the clock hit 11 am, he hung the painting number 30. When it struck 4 pm, he hung the painting number 240 and when it struck 7:30 pm, he hung painting number 315.

Can you determine, which painting number will he hang when the time is 9:20 pm ?
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