5 12 balls part 2 
3 Coins
I think it is 0.25. Suppose we get HH on first 2 flips then the nixt two flips can be HH,HT,TT,TH. therefore probability of HH =1/4 =0.25 context 
Going to the Track
Excellent Quiz! context 
The Sinking Island
good question. context 
Psycho Killer
excellent quiz context 
Good luck at an interview with Google
As this questions may require 1020 minutes therefore this cant be questions which should be answered correctly rather with confidence and tricks. Therefore this questions have to be answered as 1)How many golf balls can fit in a school bus? Ans. 2365 (give any number) and say if there were more balls they would have fallen from doors and windows. 2)How many piano tuners are there in the entire world? Ans.156782 rest are still learning 3)How much should you charge to wash all the windows in Seattle? Ans.15623486 as we may cut some amount for windows that get dirty again. context 
Power of 2 (Microsoft Interview)
just mod by 2 and ans should be 0 context 
Sold!
yes 20$ profits totally. context 
Matchsticks
yes it is very simple just needs concentration for seconds context 
Time To Fuse
Good quiz context 
Simple 24
good quiz context 
Clever Commuter
You did not mention the time required by his wife to reach the station or the time at which they reached home. context 
Classic Knights & Knaves
good quiz but easy context 
The Bookworm
Good quiz . Explanation is right. As we want to see the names of the books we place it like this [A][B][C] Therefore the first page of book A is towards right (i.e towards start of book B. And the last page of book C is towards end of book B. context 
3 Men and a Hotel Room
good quiz context 
Greatest Area
I know this too. context 
Charlie and the Chocolate Factory
good one just needs patience. context 
Nice to meet you
Formula is n(n1)/2 In the given problem n(n1)/2=45 this gives n=9 or n=10 context 
Stuck in a brick building
You did not mention that it is open from outside and also the height of the roof. context 
100 Light Bulbs
excellent quiz ! context 
Cracking the Safe
excellent quiz ! context 
The Twiddled Bolts
Where is the picture? context 
Divide 1 to 20
Good one context 
The Number Problem
Good one context 
Don't Hang Yourself
Nice context 
Birthday Problem (Classic)
If you dont understand then goto 
Boys and Girls
Good one, It is a lateral thinking question context 
Fork in the road
good question ! context 
Right or Left?
I see girl spinning clockwise context 
Right or Left?
It changes. I can see both. context 
Fork in the road
Good quiz but easy context 
Microsoft Interview Question  Count it Out
nice question but it is easy context 
Multiples of 8 plus 1
excellent context 
5
6
12 balls part 2
You have 12 identical RUBBER balls each of 10 grams and one of 9 grams.You have three weighs of a weighing machine (not a balance scale) to determine which ball is different and whether it is heavier o
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Doable
