Thursday, March 4, 2010

पुरानी घड़ी और बड़ा भाई... (Antique clock and the elder cousin...)

विशेष नोट : अगर आप जवाब ढूंढ लेते हैं तो ठीक, वरना कमेंट लिख दीजिएगा, मैं जवाब आपको मेल के जरिये भेज दूंगा...

अमिताभ और रोहित चचेरे भाई थे, और नई दिल्ली के एक कॉलेज में गणित के विद्यार्थी थे...

दोनों का जन्म मई माह में हुआ था, एक का 1932 में, और दूसरे का एक साल बाद...

दोनों के पास एक-एक पुरानी दीवार घड़ी थी...

दोनों घड़ियां अपनी उम्र के लिहाज़ से काफी अच्छी तरह काम करती थीं, लेकिन उनमें से एक 10 सेकंड प्रति घंटा धीमी हो जाती थी, और दूसरी 10 सेकंड प्रति घंटा तेज़ हो जाती थी...

किसी साल जनवरी में किसी दिन दोनों भाइयों ने घड़ियों का समय ठीक दोपहर 12 बजे मिला दिया...

फिर अमिताभ बोला, "एक दिलचस्प बात है, रोहित... ये घड़ियां अब ठीक उस दिन एक जैसा समय दिखाएंगी, जिस दिन तुम 47 वर्ष के हो जाओगे..."

रोहित ने भी मन ही मन हिसाब लगाया, और बोला, "हां भाई, तुम ठीक कह रहे हो..."

अब आप लोग मुझे बताइए, दोनों भाइयों में बड़ा कौन है...?

Now, the same riddle in English...

Special Note: If you succeed in solving this one, well and good; but in case, you don't, just leave a comment, and I will mail the answer to you...

Cousins Amitabh and Rohit, were students and classmates at a College in New Delhi, persuing for their Mathematics honors...

Both of them were born in the month of May, one in 1932 and the other a year later...

Each had an antique clock...

Both the clocks worked pretty well, considering their ages, but one of them lost ten seconds an hour and the other gained ten seconds an hour...

In January some year, the cousins set both the clocks right at exactly 12 noon...

"Do you realise, Rohit..." said Amitabh, "that the clocks will start drifting apart, and they won't be together again until the very day you will be 47-years-old... Right...?"

Rohit then made a short calculation, "That's right, bro..." he said...

Now you guys tell me, who is older, Amitabh or Rohit...?

15 comments:

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  2. आपका अनुमान कतई सही है, प्रकाश भाई, लेकिन कुछ समझाकर बताएंगे तो बेहतर रहेगा...

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  5. bhai jankari ke ke liye bata du maine apna nam NAZO(pet name-give by my wife)ko hata kar apna original name ZAINUL dal diya hai bhai
    shukriya

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  6. answer to maine bata diya bhaiya lekin mujhe regon to bata do mahaguru

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    1. Jab pehla jawaab galat ho gaya, to bataane ke liye bacha hi kya tha, bhai... Beher,haal, sahi jawaab nazo.00786@gmail.com par mail kar diya hai... :-)

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    1. Sohit... Tumhaara jawaab galat hai... Ek baar phir koshish karo, halaanki koshish ke liye kuchh bacha nahin hai, kyonki do hi vikalp hain... ;-)

      Ab tumhaara comment copy-paste - "WAISE GURUDEV, YE JAWAB MAI KEVAL PAHELI PADH KAR DE RHA HU, PAR UMMEED HAI SHI BHE HOGA. KYUKI APNE JO BATE BTAYI HAI UNSE JAWAB DUDHNA KAFI KATHIN, KHAIR AP SHI JAWAB PURE VISTAR KE SATH JARUR MAI KARIYEGA, TAKI MAI SMJH PAU."

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  8. Gurudev jb apko waqt mile to iska jawab jarur bhej dijiyega

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    1. Dear Saurabh, baat vaisi bilkul nahin hai, jaisi tum soch rahe ho... Dar-asal main kayee-kayee din baad blog par aa paata hoon, isliye kaafi comments ikatthe ho jaate hain, aur us waqt jawaab sahi hain ya galat, isse zyaada likhne ki gunjaaish nahin nikaal paata... Jab bhi tumhaara jawaab sahi hua hai, hamesha 100 mein se 100 hi diye hain maine, so, distinction nahin milti hai, aisa mat socho...

      Khair, yeh jawaab sahi nahin hai tumhaara, so, ek baar phir koshish karo... Best of luck... :-)

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  10. Gurudev mere cmnt ka kya hua kuch pta ni chla

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