### #1 - Oracle Probability Interview Question

What is the probability of choosing the correct answer at random from the options below.

a) 1/4
b) 1/2
c) 1
d) 1/4

If the answer is 1/4, then because 2 out of 4 answer choices are '1/4', the answer must actually be 1/2. This is a contradiction. So the answer cannot be 1/4.
If the answer is 1/2 (or 1), then because 1/2 (or 1) is 1 out of 4 answer choices, the answer must be 1/4. This is again a contradiction. So the answer cannot be 1/2 (nor 1).

So none of the provided answer choices are correct. Therefore the probability of choosing the correct answer is 0%

### #2 - Infogain Interview Aptitude Question

On a magical land of Narnia , all the animal in the land are rational.

There are 10 tigers and one goat.
Tiger can eat goat but since its a magical land , the tiger who eats the goat , turns into goat and then can be eaten by the remaining tiger(s).

If we leave them for some time then how many goat and tiger will be there , when we come back ?

9 tiger and one goat

since all animal are rational , once 1st tiger eats the sheep all the rest of tiger would know about this.

### #3 - What Is Time Riddle

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 ?

12:00

both minute and hour clock lie exactly between the number one and two in the number

### #4 - Logical Interview Puzzle

Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that sum of number of each group is equal.

Note : 9 cannot be turned over to make it 6.

1 2 3 4 5 9 and 7 8 9

sum of numbers 1 2 3 4 5 6 7 8 9 is 45 , so numbers cant be split into 2 equal parts.
I know i cant turn 9 upside down and make it 6 but i can turn 6 to make it 9.

### #5 - Logical Number Problem

According to number theory of mathematics , a perfect number is a positive integer that is equal to the sum of its positive divisors excluding the number itself.
For example :
6 => 1+2+3
28 =>1+2+4+7+14

I know one more number that is a perfect number and contains not more than 2 digits (i.e 496 won't be consider as it contains 3 digits).

Find the number ?

12=> 1+2+3+6

cannot be 1 (as number cannot be included)

### #6 - Infineon Logic Interview Question

I purchased a awesome ice cream cone having 5 different flavor scoop.
Five favors are pistachio, mint-chip, strawberry, marshmallow and raspberry

I will give u some clues so that you can figure out the order of flavors from bottom to top.
1. The bottom flavor of the cone has 10 letters.
2. The marshmallow scoop is at between pistachio and the mint-chip scoop.
3. marshmallow is above the raspberry scoop but below the mint-chip scoop.

So can you figure out the flavor of ice cream in order from bottom to top

From bottom to top, the flavors are :

Strawberry
raspberry
pistachio
marshmallow
mint-chip

### #7 - Polaris Maths Aptitude Interview Questio

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

* This question was asked in polaris

240

40 { diff 20 + 12 =>32 add to it}
72 { diff 32 + 12 =>44 add to it}
116 { diff 44 + 12 =>56 add to it}
172 { diff 56 + 12 =>68 add to it}
240

### #8 - Hard Count The Number Of Triangles

Can you count the number of triangles in the picture below ?

104

### #9 - Intel Logic Aptitude Interview Question

Three brothers are identical triplets.
-: The oldest(my minutes) is Sanjay and he is so honest that he always tells the truth.
-: The next oldest is Anurag and he always lies.
-: The next and the youngest is Anmol and he sometimes lies and sometimes tells the truth.

Aditi, an old friend of the the brothers visited them after a long time and did not recognize them.
:- Aditi asked the brother that was sitting on the left, 'Which brother is in the middle of you three?' and the answer she received was, 'Oh, that's Sanjay.'
:- Aditi then asked the brother in the middle, 'What is your name?' The response given was, 'I am Anmol'
:- Aditi turned to the brother on the right, then asked, 'Who is that in the middle?' The brother then replied, 'He is Anurag.'