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It is almost a year since I left Y!A. I left for various reasons but, now I feel that I had done something wrong. When I was in Y!A, I kept myself and my brain busy with few questions (atleast one per week) on Mathematics and Science and my brain was searching for the solutions when I was idle. But, now, I think I lost my power and grab the help of a calculator for even simple problems. Hence, I am BACK HERE trying to gain my ability back so that I can shine more in my field! " Please dont celebrate those who migrated from India as Indians" For Use for Problems: Unicode Characters: t³ x² ±√ ∫ ° ⋀ ⋁ ¬ π ¶ ° ¹ x² ³ ⁴ ª ⁿ ₁ ₂ ← → ⇒ ∀ ∃ ∇ ∂ ∑ ∞ ≅ ≈ ≠ ≤ ≥ ½ ⅓ ⅔ ¼ ¾ ⅛ ⅜ ⅝ ⅞ α β γ Δ δ ε ζ η θ λ μ ξ ρ Σ σ φ ψ ω Subscripts---- N₁ ₂ ₃ ₄ ₅ ₆ ₇ ₈ ₉ ₀ ₊ ₋ ₌ ₍ ₎ в к м н т ь Superscripts----N º ¹ ² ³ ⁰ ⁴ ⁵ ⁶ ⁷ ⁸ ⁹ ⁺ ⁻ ⁼ ⁽ ⁾ ⁿ Fractions-----¼ ½ ⅓ ⅔ ¾ ⅓ ⅛ ⅜ ⅝ ⅞ ⅓ ⅔ ⅕ ⅖ ⅗ ⅘ ⅙ ⅚ ⅛

  • Will a Spark of Light,for a very small time, at the centre of a Opaque Hollow Sphere make it glow eternally?

    Suppose we make a Hollow Sphere, which is perfectly opaque that not even a single photon can escape out. In case we induce a spark of light for the lowest possible time (Say, fraction of a pico second). WIll that light sustain and make the inside of the Sphere glow eternally?

    7 AnswersPhysics7 years ago
  • What is 15 - 3 ? READ THE QUESTION BELOW CAREFULLY before Answering?


    7 - 3 = 10124

    6 + 3 = 3279

    5 – 2 = 763

    11 + 2 = 92613


    15 - 3 =?

    6 AnswersMathematics9 years ago
  • The Question from a Boy: What is your answer to the following Question?

    Galileo Studied in the Moon Light;

    Shakesphere Studied in the Candle Light;

    Graham Bell studied in the Street Light.

    But, the Question is:

    What did they do during the day time??

    Courtesy: A Mail from one among the respected Contacts

    21 AnswersJokes & Riddles9 years ago
  • Strictly for Indians: Will the same song be sung again?

    During England tour, most Indian players complained and attributed the defeat to their Non-stop playing especially the IPL, that filled the gap.

    Now, Champions League is going on and the gap is again being filled with matches.

    The CLT20 will end on 09 Oct 2011.

    And within a Week, on 14 Oct 2011, the England series in India will start.

    As there are 4 Indian teams in the league, most players are again playing restless.

    Again, the teams constitute most of the prominent players in Indian Team

    In case of defeat, will the men in blue sing the same song and attribute the defeat to restless play due to CLT20?

    What steps must be taken ?

    10 AnswersCricket9 years ago
  • Champions League T20: Why there is a non uniform distribution of teams?

    In CLT20, there is a non uniform distribution of teams:

    India - 4 (CSK, MI, RCB, KKR)

    Australia - 2 (SAR, NSW)

    South Africa - 2 (CC, WAR)

    England - 1 (SOM)

    West Indies - 1 (T&T)


    6 AnswersCricket9 years ago
  • In case of a T20 Match between your favourite national team and club team, Which Team will you Support? Why?

    In case of a Match between your favourite national team and club team, Which Team will you Support?

    For Instance, if your Favourite National Team is India and your favourite Club Team is Chennai Super Kings, And there is a T20 Match between India and CSK, Who will you Support?

    Tell why you will support them!

    13 AnswersCricket9 years ago
  • Failure in Alerting: Why could not I send a mail from Yahoo to ALL MY CONTACTS?

    I got an information about some probable hack through a mail that comes just with a link without a subject. I wished to alert my contacts (in my Yahoo Mailbox) by sending them (around 500 odd) the following mail:



    Dear Sir/ Madam/ Friends,

    Few of you might have recieved some mail "FROM ME" without any Subject and with just a link to somesite.

    If you had recieved something like that Or will recieve So, KINDLY NEVER CLICK ON THE LINK!!

    That may lead to account Hacking probably through a Virus.

    Had you clicked such link in any time before, you might also be a victim.

    Had you ever clicked such Link, I Highly Recommend you to Perform a Boot Scan or Scan Under Safe Mode."

    But, When I clicked the send Button, Yahoo Mail displayed the following Error Message:

    "Your message was not sent.

    Suspicious activity has been detected on your account. To protect your account and our users, your message has not been sent.

    If this error continues, please contact Yahoo! Customer Care for further assistance.

    We apologise for the inconvenience."

    I tried resending the mail. Next Time, a captcha was shown and I filled it correctly!! Yet again, the same Error Message repeated.

    I tried again. Each time though I fill the captcha Correctlt, the attempt is unsucessful.

    Now, My Question is Why could not I send the mail?

    Is it due to some Words on the mail ?

    Or Due to Huge Quantity of Contacts?

    1 AnswerAbuse and spam9 years ago
  • The Fear in Cricket: How did Sachin hit much of shoaib in fear?

    Shoaib Akhtar had commented in his autobiograohy that Sachin was feared to face him!!

    It is true that Shoaib bowled Sachin in their very first meet (Asia Test Championship, Kolkata, 1999). But, this was not the case always!!!

    Sachin and Akhtar had faced each other in 19 ODI matches and 7 test matches. Shoaib could not beat Sachin always and hence, Sachin has no need for any fear!!

    Among 18 ODI matches, Shoaib dismissed Sachin just 5 times. Meanwhile, Sachin scored at an average of 29.6 runs per meet. He had hit Shoaib for atleast 22 boundaries and 3 sixes.

    (Details could not be retrieved fully because, the "face to face" data pertaining to the Carlton & United Series 1999/00 at Australia is not known)

    Except for one ODI match, where Sachin was dismissed for 2, Sachin had sent atleast one of the sohaib's delivery to the boundary lane. Sachin continued this practise in tests also except in two tests where he was dismissed by Sohaib.

    In tests too, Shoaib could not claim Sachin's wicket more than thrice!!

    During World Cup Match 2003 at Centurion, Sachin Slammed Shoaib's first Over with two fours and a MASSIVE SIX!!! He scored 15 runs in that Over.

    Did Sachin hit so much of Akhtar due to fear?


    5 AnswersCricket9 years ago
  • Sachin was scared to face me: Shoaib Akhtar- Was the match really fearsome?

    Shoaib Akhtar’s recently published biography “Controversially Yours” has turned out be exactly the same like his bowling speeds.He has stirred yet another controversy by accusing batting maestro Sachin Tendulkar of being scared to face his scorching pace on a slow Faisalabad track.

    The match mentioned by Akhar was a test match played between 21 - 25 Jan 2006. Sachin scored 14 runs in the match with a boundary off Akhtar. He faced three bowlers almost equally in the innings.

    ( Shoaib Akhtar - 11 balls, Mohammad Asif - 12 balls, Danish Kaneria - 10 balls)


    Sachin stepped in at 75.4 Over. Akhtar came in for 79th Over.

    Sachin Faced 3 balls of the 79 th Over, all balls of 81st Over (Scored 4) and his last 2 in 87th Over


    7 AnswersCricket9 years ago
  • Puzzle of the Day- Boat Challenge: Can you find the missing times?

    A Boat Travels through a river stream and returns back to the Camp.The following Data present the record of travel of a Boat:

    08:30 Start from the Camp and travel Upstream

    10:10 Pass a Float Tube (Small Boat used for fishing) travelling Upstream

    10:20 Stop and Take Rest

    XXX Meet the Float Tube and Resume the Travel towards Upstream

    YYY Pass a wooden block drifting in River

    11:45 Turn the Boat towards Downstream (No time Wasted in turning) and Take Rest

    12:00 Start Travelling Downstream

    12:10 Pass the Float Tube yet again and continue the journey

    13:15 Pass the Wooden Block

    ZZZ Reach the Camp

    14:15 Wooden Block reach the Camp Shore.

    Can you find out the Missing TImes XXX, YYY and ZZZ?


    * The Boat travels at a constant Velocity with respect to Still Water. While at rest, the boat drifts with the River stream.

    * The Float Tube is travelling Upstream at some constant Velocity (with Respect to Still Water)

    * Wooden Block is simply Drifting with River

    * The Arrangement of the Activities are in CHRONOLOGICAL ORDER

    Question Inspiration:;_ylt=Ao...

    Special Thanks to M3, who posted the previous Question

    3 AnswersMathematics9 years ago
  • Guilty as Accused: How do you feel when one of your Questions accidentally goes for a voting?

    Sometimes, we will be thinking of resolving a Question at the later end. But, due to some circumstances, we might be logging too late. When we rush to resolve the Question, we will be realising that we are a bit late- The Question would have gone for voting few minutes back.

    What will be your feeling and thoughts when you find that you missed the chance of selecting a BA?

    P.S: Personally I will feel very much guilty for not choosing the answer intime. I might have done it atleast a day back!

    11 AnswersPsychology9 years ago
  • Change and Trend: What is your view on the following Statement?


    One Vada Costed 50 paise

    One Phone Call Costed 5 Rupees


    One Phone Call Costs just 50 paise

    But, One Vada..

    O! It is 5 Rupees!!!

    14 AnswersJokes & Riddles9 years ago
  • Puzzle of the Day: How did he find the age of the children?

    While on a journey, Aalunga met one of the Y!A members by occasion.

    On discussion, the member (Let us have his name as YM ) asked Aalunga: "I have three children. If I give you few clues, can you figure out their age?"

    Aalunga replied: " Let me try sir"

    YM gave the first clue: "The product of their ages is 72"

    Aalunga: "This is not sufficient to calculate"

    YM: "Oh!! Well... Do you see that milestone over there?"

    Aalunga: "Yes Sir"

    YM: "Their ages add up to the number in that milestone"

    Aalunga: "Hmm... I think that even this clue is not sufficient"

    YM: "What are you telling? You solve so many complex problems in Y!A Mathematics. You are one among the Top Contributors in Mathematics. But, Can you not solve this simple problem?"

    Aalunga could not reply back..

    Seeing Aalunga little bit frustrated, YM changed the topic. The topic changed to schooling and present education.

    Aalunga said: "Sir, the cost of education has grown up like anything. I heard from my friend that they are demanding LKG Fees equivalent to what we spent for a semester in college"

    YM said: " My youngest child is yet to go to school. With present school fees, I am afraid how I am going to pay his fees"

    Aalunga replied: "Yes Sir.. Govt. should do something to reduce the fees"

    YM said: "Yeah.. There is no other way"

    Aalunga now told: "By the way Sir... I think I can tell your childrens' ages"

    YM was very much astonished..

    "This is really a wonder. How could you tell them so accurately?"

    Aalunga replied how he traced out!!

    And Now, Its your turn.

    Can you find the ages of the three children.

    Also, How did Aalunga figured it out?

    7 AnswersMathematics9 years ago