Saturday, June 15, 2013

Identify the Tallest Person

Puzzle # 15
100 men are arranged in an array of 10 rows and 10 columns according to their heights.Tallest among each row of all are asked to come out. And the shortest among them is A. Similarly after resuming them to their original positions, the shortest among each column are asked to come out. And the tallest among them is B. Now who is taller A or B ? 



  • All the Men are arranged in ascending Order of heights starting from Row#1 and Column # 1 Next person  at Row#1 and Column # 2 so on and so forth.
  • Tallest Person is positioned at Row#10 and Column#10.

A very magical Question, Who is taller A or B? 
Yes it is. Think of it!!


Friday, June 14, 2013

Awesome Magical water jars

Awesome # 2
Water Jar Question: 1
If you had a 5-liter jar and a 3-liter jar and an unlimited access to water, how would you measure exactly 4 liters using the above jars?
NOTE : Empty or completely filled Jars only should be used during measurement



Water Jar Question : 2
Given three jars: 8, 5 and 3 liters capacity, divide 8 liters in half (4 + 4 liters) with the minimum number of water transfers. 
NOTE : That the 8-liter jar initially filled with 8 liters of water and the other two jars are empty and No additional water should be used



Water Jar Question : 3
Given three jars: 7, 4 and 3 liters capacity. Only the 7-liter is full. Pouring the water the fewest number of times, make the quantities of 2, 2, and 3 liters.



Water Jar Question : 4
How can you measure 6 liters of water using only 4 and 9-liter jars?



Water Jar Question : 5
Measure exactly 2 liters of water if you have:
1. 4 and 5-liter jars
2. 4 and 3-liter jars

Awesome IAS / IPS / UPSC Topper Answers

Awesome # 1
Question : 1
How can you drop a raw egg onto a concrete floor without cracking it?



Question : 2
If it took eight men ten hours to build a wall, how long would it take four men to build it?



Question : 3
If you had three apples and four oranges in one hand and four apples and three oranges in the other hand, what would you have?



Question : 4
How can you lift an elephant with one hand?



Question : 5
How can a man go eight days without sleep?

Sunday, May 26, 2013

Product of Two Numbers generate Maximum value

Puzzle # 14
Using the digits 1 up to 9, two numbers must be made. The product of these two numbers should be as large as possible. All digits must be used exactly once.


  • By Multiplying only Two Numbers say A & B, Maximum Value needs to be generated
  • These two numbers A and B should cover all the digits from 1 to 9.

Tuesday, May 21, 2013

True Magical Number

Puzzle # 13
A Very Magical Number(Dividend) that leaves a reminder that is one less than number(Divisor) that was used to perform the division


  • When Magical Number(Dividend) divided by 2 leaves Reminder 1.
  • When Magical Number(Dividend) divided by 3 leaves Reminder 2.
  • When Magical Number(Dividend) divided by 4 leaves Reminder 3.
  • When Magical Number(Dividend) divided by 5 leaves Reminder 4.
  • When Magical Number(Dividend) divided by 6 leaves Reminder 5.
  • When Magical Number(Dividend) divided by 7 leaves Reminder 6.
  • When Magical Number(Dividend) divided by 8 leaves Reminder 7.
  • When Magical Number(Dividend) divided by 9 leaves Reminder 8.
  • When Magical Number(Dividend) divided by 10 leaves Reminder 9.



What is the Magical Number (Dividend) ??
Magical Number is not very small neither too big. Think of it!!

Monday, May 20, 2013

Passing on a Truck over a bridge

Puzzle # 12
There is a bridge that can withstand a total weight of Maximum 10 Tons. Above which the bridge will be collapsed !

  • Bridge covers a total distance of 5KM.
  • This bridge is maintained by highly authorised officials who will thoroughly check the vehicle before allowing to passed over it.
  • Under any circumstance, officials are allowed Max of 10 Tons over the bridge.

Only Truck


A Truck weigh exactly 10 Tons(Load + Truck + Driver..) i.e it includes everything? It is allowed to cross over the bridge and after covering a distance of 4.75KM. A crow (Max - 1.5 KG) came and sat over the truck. Luckily bridge didn't got collapsed. What could be the reason behind this? When driver didn't dropped any of his items or truck parts!!




Sunday, May 19, 2013

Ants moving towards Corners

Puzzle # 11
There are 'n' ants at 'n' corners of a 'n' sided closed regular polygon, they randomly start moving towards another corner that is adjacent to it. 

  • If n = 5, PENTAGON.. i.e., 5 ants positioned at 5 corners are started moving towards other possible corners
  • If n= 6, HEXAGON.. i.e., 6 ants positioned at 6 corners are started moving towards other possible corners
  • If n = 8, OCTAGON.. i.e., 8 ants positioned at 8 corners are started moving towards other possible corners
  • So on and So Forth.


What is the probability that they don't collide?