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Logical Reasoning Puzzles With Answers

Logical Reasoning Puzzles With Answers 1 : River Riddle
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Four people need to cross a dark river at night.They have only one torch and the river is too risky to cross without the tourch. if all people cross simultanoesly then torch light wont be sufficient.Speed of each person of crossing the river is different.cross time for each person is 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the river ?


Logical Reasoning Puzzles With Answers 2 : Logical Thinking Riddle
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I have 100 coins in my wallet.

What is the minimum number of coin(s), i would be required in order to make sure each coin touched exactly three other coins.

Logical Reasoning Puzzles With Answers 3 : Maths Logic Riddle
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It can be easily calculated that the digits 0 to 9 can be arranged into 3628800 distinct ten digit numbers.

But i also knowns how many of these numbers are prime.

Do you ?


Logical Reasoning Puzzles With Answers 4 : Trolls Riddle
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You are on your way to visit your Grandma, who lives at the end of the valley. It's her birthday, and you want to give her the cakes you've made.

Between your house and her house, you have to cross 7 bridges, and as it goes in the land of make believe, there is a troll under every bridge! Each troll, quite rightly, insists that you pay a troll toll. Before you can cross their bridge, you have to give them half of the cakes you are carrying, but as they are kind trolls, they each give you back a single cake.

How many cakes do you have to leave home with to make sure that you arrive at Grandma's with exactly 2 cakes?


Logical Reasoning Puzzles With Answers 5 : Logic Math Problem
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In Sahara desert , 3 men found a big 24L Jar is full of water. Since there is shortage of water so they decided to distribute the water among themselves such that they all have equal amounts of it. But they only have a 13L, a 5L and an 11 liter Jar.

How do they do it?


Logical Reasoning Puzzles With Answers 6 : Distance Problem
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Two towns are exactly 100 km apart. Rakesh leaves City A driving at 30 km/hr and Harish leaves City B a half an hour later driving 60 km/hr. Who will be closer to City A when they meet?


Logical Reasoning Puzzles With Answers 7 : chacha chaudhary Puzzle
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chacha chaudhary(name of a person) is convicted in Germany. He gets the death penalty. The judge allows him to say a last sentence in order to determine the way the penalty will be carried out. If he lies, he will be hanged, if he speaks the truth he will be beheaded. The perspn speaks a last sentence and to everybody surprise some minutes later he is set free because the judge cannot determine his penalty.What did chacha chaudhary said?

Logical Reasoning Puzzles With Answers 8 : Sachin Red Ferrari Number Riddle
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Sachin Tendulkar bough a red ferrari with a strange 5 digit numbered plate.The water image of the number is 78633 more than my car number.All the digits of sachin's car number are distinct.

What is the original number on sachin's number plate?


Logical Reasoning Puzzles With Answers 9 : Simple Logical Problem
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Michael have ten pairs of black socks, eight pairs of white socks and seven pairs of green socks. Everything is mixed in a draw. As there is no light he were not able to identify the color of the socks. How many of the socks did he want to take to match one pair


Logical Reasoning Puzzles With Answers 10 : Hourglass Time Puzzle
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There are 2 sand hourglasses.
The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?



  1. these are very bab worst questions

  2. quite gud....lge rho

  3. very interesting but i was not able to answer any one , but good brain storming

  4. “A 5 feet tall person wants to cross a canal. He is told by the person sitting at the bank of canal that on average canal is 4.5 feet deep. Is this information sufficient for the person to cross the canal or he needs some other measure before going to pass the canal”.

    1. no he will need to know the deepest point

    2. Can this person swim? If so then he can simply swim across, in which case he will need to know the strength of the waterflow. (Non-logical answer: crosses the bridge)