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Gappa Tappa Corner - 3 (Page 33)

-Zoey- IF-Rockerz
-Zoey-
-Zoey-

Joined: 25 April 2014
Posts: 5540

Posted: 12 June 2015 at 12:18am | IP Logged
Originally posted by spashta-wakta

Originally posted by -Zoey-

Originally posted by spashta-wakta


* A good puzzle:
    You have two glass balls. They break when dropped from floor x & above but not when dropped from floors 1 to x-1. Given a 100-storeyed building, what is the minimum number of throws in which you can determine the exact floor x? 
(It is obvious that you must ensure at least one ball stays unbroken till you determine x!)

Ans to Puzzle... The no. of throws will be x-1. 
We will start dropping ball from second floor and then go upwards one by one until the ball breaks. 

No, the answer needs more work & the answer is much smaller.
OK,I did some calculations and the answer I got is...The no. of throws required are 'not more than 19'.
The floor F which Pooriya has said from where we will throw ball at first can be (F=8,9,10,11,12,13.)
Say we chose F=10...If ball breaks then with second ball ,start from first floor and go upwards one by one.
If ball doesn't break then go for 2F i,e 20...Here if ball breaks then start from 11th floor.
If ball doesn't break then go for 3F and so on...
In this way,number of throws in which we can determine the exact floor x are 19(Max).

mishkil88 IF-Sizzlerz
mishkil88
mishkil88

Joined: 23 December 2009
Posts: 10719

Posted: 12 June 2015 at 12:26am | IP Logged
Zoey -  u may be right but I think this quiz is more of statistics than logic or maths.
-Zoey- IF-Rockerz
-Zoey-
-Zoey-

Joined: 25 April 2014
Posts: 5540

Posted: 12 June 2015 at 12:33am | IP Logged
Originally posted by mishkil88

Zoey -  u may be right but I think this quiz is more of statistics than logic or maths.
May be! But when SW said Pooriya was on right track,I worked in that direction only.Let's see what SW says.Smile

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mishkil88

spashta-wakta Goldie
spashta-wakta
spashta-wakta

Joined: 25 November 2013
Posts: 1092

Posted: 12 June 2015 at 1:20am | IP Logged
Originally posted by vidya0906


SW, what divine flowers...and so beautifully arranged...and these flowers are also so fragrant..truly a feast for the senses Day Dreaming   And the madanban flowers do they have a pinkish tinge at the base of the petals?  they look like what we call the jaji flowers here in mlore...we usually make gajra like the one below (found a pic on the netSmile)  and its mostly worn during the aashad time, (for us the period bet July 15-Aug 16)






The MadanbAN buds are larger and thicker. Almost all white flowers eventually turn
purple as they age, so that's not a unique characteristic. These look like Jui flowers.

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veena0129dlipmishkil88

spashta-wakta Goldie
spashta-wakta
spashta-wakta

Joined: 25 November 2013
Posts: 1092

Posted: 12 June 2015 at 1:26am | IP Logged
Originally posted by dlip


If I recollect, she is Daughter of Dr Vidyadhar Oak (Puneya-tale ek prasidhh gayak) and she is Daughter in law of Asha Khadilkar. (kinwa hyachya ulat ...)

IIRC, Asha Khadilkar's daughter is married to Aditya Oak. His father Dr Vidyadhar Oak is a famous harmonium player from Mumbai. (Asha Khadilkar's son worked in my wife's company.)
dlip IF-Dazzler
dlip
dlip

Joined: 07 November 2007
Posts: 2733

Posted: 12 June 2015 at 1:33am | IP Logged
Originally posted by spashta-wakta

Originally posted by dlip


If I recollect, she is Daughter of Dr Vidyadhar Oak (Puneya-tale ek prasidhh gayak) and she is Daughter in law of Asha Khadilkar. (kinwa hyachya ulat ...)

IIRC, Asha Khadilkar's daughter is married to Aditya Oak. His father Dr Vidyadhar Oak is a famous harmonium player from Mumbai. (Asha Khadilkar's son worked in my wife's company.)

mhanunacha mhatale 'kadachit ... ulte'. chuk bhul dyavi ghyawi Smile

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spashta-wakta

spashta-wakta Goldie
spashta-wakta
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Joined: 25 November 2013
Posts: 1092

Posted: 12 June 2015 at 1:37am | IP Logged
Originally posted by -Zoey-

OK,I did some calculations and the answer I got is...The no. of throws required are 'not more than 19'.
The floor F which Pooriya has said from where we will throw ball at first can be (F=8,9,10,11,12,13.)
Say we chose F=10...If ball breaks then with second ball ,start from first floor and go upwards one by one.
If ball doesn't break then go for 2F i,e 20...Here if ball breaks then start from 11th floor.
If ball doesn't break then go for 3F and so on...
In this way,number of throws in which we can determine the exact floor x are 19(Max).

Actually, there is a simple mathematical formula and no statistics are involved. The answer is smaller than 19. I will give you the reasoning when I post the answer. I am travelling this weekend and will be away for 4 weeks. But I hope to access the forum now and then.

I said Pooriya is on the right track because she was trying to find a way to minimize 'F'.

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.Neela.dlip-Zoey-mishkil88

spashta-wakta Goldie
spashta-wakta
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Joined: 25 November 2013
Posts: 1092

Posted: 12 June 2015 at 1:40am | IP Logged
Originally posted by Pooriya

Originally posted by dlip


In last week, we had (almost) back to back birthdays of our forum friends (Anni, Vidya and Zoey). Hats off to those who prepared Birthday threads for them and what a nice gesture it was!Clap

PuLan-chya shabdan-cha aadhar gheun sangayache tar ... 'he BD threads tar 'sundar' hotech. Pan ... tya-magache 'kasht (efforts)'  aadhik sundar hote!

Ohh anni had her b'day too?? 
(I guess I'm the most irregular member of the group Wink)

Belated Happy birthday anni.!! Hope you had fun and enjoyed to the fullest Smile

Thanks Pooriya for pointing out a post I missed. I surely missed Anni & Vidya's b'days.
Belated Happy B'day to both of you!

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vidya0906dlip

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