tag:blogger.com,1999:blog-2787161678592839240.post8137366243676194735..comments2024-03-28T15:06:26.752+05:30Comments on www.mathsblog.in : Maths Blog for School Teachers & Students: ഗണിതശാസ്ത്ര ക്വിസ് മാതൃകകള്വി.കെ. നിസാര്http://www.blogger.com/profile/14303804236214732024noreply@blogger.comBlogger77125tag:blogger.com,1999:blog-2787161678592839240.post-70571061572144868572011-01-16T13:25:11.294+05:302011-01-16T13:25:11.294+05:30വളരെ നല്ലത്വളരെ നല്ലത്sherinhttps://www.blogger.com/profile/15785987496297070198noreply@blogger.comtag:blogger.com,1999:blog-2787161678592839240.post-73762368012668666742010-09-22T15:50:03.980+05:302010-09-22T15:50:03.980+05:30ഗണിത ശാസ്ത്ര മേളയിലെ ക്വിസ് മാത്രം പോരാ..
മറ്റുള്...ഗണിത ശാസ്ത്ര മേളയിലെ ക്വിസ് മാത്രം പോരാ..<br /><br />മറ്റുള്ള ഇനങ്ങളെ കുറിച്ചും ചര്ച്ച വേണം<br /><br />applaid construction എന്ന ഇനം ഒരുപാട് ആശയകുഴപ്പം ഉണ്ടാക്കുന്ന ഒന്നാണ്<br /><br />മാനുവല് അനുസരിച്ച് engineering drawing ന് ഉപയോഗിക്കാവുന്ന എല്ലാ ഉപകരണങ്ങളും ഇതിന്റെ നിര്മിതിക്ക് ഉപയോഗിക്കാം എന്നും ഒരേ ആശയത്തെ മുന്നിര്ത്തി 3 ചാര്ട്ട് വരെ ഉപയോഗിക്കാം എന്നുമാണ് പറഞ്ഞിരിക്കുന്നത്<br /><br />എന്നാല് മുന് വര്ഷങ്ങളിലെല്ലാം കാണുന്നത് തെര്മോകോള് കൊണ്ട് നിര്മിച്ച പടുകൂറ്റന് മോഡല് ആണ്..<br /><br />പലപ്പോഴും ജഡ്ജെസ് ഇവയ്ക്കാണ് സമ്മാനവും കൊടുക്കുന്നത്..<br /><br />ഇത് പോലെ ഒന്നാണ് ഗെയിമും പസ്സിലും ഇവയിലും കുട്ടികള് പരസ്പരം മാറി ഇരിക്കുന്നത് കാണാം<br /><br />അത് മാത്രമല്ല സംഘാടനം വളരെ ശ്രദ്ധിക്കേണ്ട ഒന്നാണ്<br /><br />സംസ്ഥാന മേളകളില് പോലും റൂമില് ഡ്യൂട്ടി നോക്കുന്ന ടീച്ചേഴ്സിനു വേണ്ടത്ര നിര്ദേശം ലഭിക്കാതെ ആശയ കുഴപ്പം ഉണ്ടാകുന്നത് കാണാം<br /><br />ഈ ധാരണകള് മുന്നിര്ത്തി ഒരു സജീവമായ ചര്ച്ച മാത്ത്സ്ബ്ലോഗില് പ്രതീക്ഷിച്ചോട്ടെMadhuhttps://www.blogger.com/profile/17679614334329624154noreply@blogger.comtag:blogger.com,1999:blog-2787161678592839240.post-63168583857902898482010-09-21T17:35:19.693+05:302010-09-21T17:35:19.693+05:30@Jessy teacher
ബ്ലോഗിലെ പഴയ പോസ്റ്റുകള് നോക്കുക. ...@Jessy teacher<br />ബ്ലോഗിലെ പഴയ പോസ്റ്റുകള് നോക്കുക. മേളയക്കുവേണ്ടി ധാരാളം പോസ്റ്റളുണ്ട്JOHN P Ahttps://www.blogger.com/profile/02064365401403870252noreply@blogger.comtag:blogger.com,1999:blog-2787161678592839240.post-35980928964919928882010-09-21T10:12:07.187+05:302010-09-21T10:12:07.187+05:30ഗണിത ശാസ്ത്ര മേളകളിലെ മറ്റു വിഭാഗങ്ങളെക്കുറിച്ചും...ഗണിത ശാസ്ത്ര മേളകളിലെ മറ്റു വിഭാഗങ്ങളെക്കുറിച്ചും കുട്ടികള്ക്കും രക്ഷകര്ത്താക്കള്ക്കും, അദ്ധ്യാപകര്ക്കും സഹായകമാകുന്ന പോസ്റ്റുകള് പ്രതീക്ഷിക്കുന്നുUnknownhttps://www.blogger.com/profile/18366393010323280592noreply@blogger.comtag:blogger.com,1999:blog-2787161678592839240.post-36262269246465497972010-09-19T19:38:09.728+05:302010-09-19T19:38:09.728+05:30"Which smallest 2-digit number, when its digi..."Which smallest 2-digit number, when its digits are reversed and the resulting number is either added to, or subtracted from the original number, both operations will yield perfect squares ?<br /><br />options<br /><br />87<br />43<br />65<br />21"<br />@ruby chechy:8+7=15,4+3=7,6+5=11,2+1=3:among the four numbersending in (5,7,1,3) ,6+5=11 is the only number ending in 1 ,a property of square numbers.that is the answer.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2787161678592839240.post-63400628272799573502010-09-19T19:28:57.598+05:302010-09-19T19:28:57.598+05:30"Find the Number which contains all the 10 di..."Find the Number which contains all the 10 digits from 0 - 9 and divisible by all the positive integers from 1 to 16.<br /><br />options<br /><br />6827340519<br />3210798645<br />1274953680<br />9087654321"<br />in the answer list there is only one even number,that is the answer of janardanan sir.to confuse : give full even numbers in the answer list.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2787161678592839240.post-36986850904642621032010-09-19T19:20:28.003+05:302010-09-19T19:20:28.003+05:3017+19=36 is correct.
37&5 are not square numbe...17+19=36 is correct.<br />37&5 are not square numbers.<br />1+3 =4( 1 is not prime).<br /><br />dear ruby chechy/ruby chetta<br /><br />if you post 4 square numbers as options,atleast all answers must be square numbers.then only the viewers get confused.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2787161678592839240.post-49142122179197600532010-09-19T18:20:14.536+05:302010-09-19T18:20:14.536+05:30Thanks Haritha chehci,Janarddanan Sir, Soman Sir &...Thanks Haritha chehci,Janarddanan Sir, Soman Sir & john Sir.<br /><br />which is the smallest square number that can be expressed as the sum of two consecutive prime numbers?<br /><br />options<br /><br /> 37<br /> 4<br /> 36<br /> 5RUBYhttps://www.blogger.com/profile/15069765703015408862noreply@blogger.comtag:blogger.com,1999:blog-2787161678592839240.post-82327832036710819702010-09-19T17:12:41.537+05:302010-09-19T17:12:41.537+05:30We can easily prove that only the numbers that ca...We can easily prove that only the numbers that can be factorised with two odd or two even factors ,then it can be written as the difference of the square numbersJOHN P Ahttps://www.blogger.com/profile/02064365401403870252noreply@blogger.comtag:blogger.com,1999:blog-2787161678592839240.post-66037732155011343032010-09-19T16:45:20.011+05:302010-09-19T16:45:20.011+05:301)Which smallest 2-digit number, when its digits a...1)Which smallest 2-digit number, when its digits are reversed and the resulting number is either added to, or subtracted from the original number, both operations will yield perfect squares ?<br /><br />Answer : 65 <br /><br />65 + 56 = 121 = 11^2<br />65 - 56 = 9 = 3^2<br /><br />It is an interesting question there is a famous proof related to this.Ruby teacher is a keen observer<br /><br />2)Which has greater area?<br /><br />An equilateral triangle inscribed in a circle of radius 1.<br /><br />Or a square inscribed in a circle of radius 1.<br /><br />Answer <br />Square <br /><br />Proof later <br /><br />3)true or false<br /><br />Any integer can be expressed as the difference of the squares of two different integers.<br /><br />Answer <br /><br />I think it is false.We can show every odd integer as the difference of the squares of two different integersDr,Sukanyahttps://www.blogger.com/profile/11843711227380101806noreply@blogger.comtag:blogger.com,1999:blog-2787161678592839240.post-69912192775868209842010-09-19T14:09:03.569+05:302010-09-19T14:09:03.569+05:30@ റൂബി
1)options
6827340519
3210798645
1274953680...@ റൂബി<br />1)options<br /><br />6827340519<br />3210798645<br />1274953680<br />9087654321 answer= 1274953680<br /><br />2) option<br /><br />196<br />25<br />81<br />144 answer =81ജനാര്ദ്ദനന്.സി.എംhttps://www.blogger.com/profile/09068388530388814159noreply@blogger.comtag:blogger.com,1999:blog-2787161678592839240.post-58995244808833709692010-09-19T14:00:41.759+05:302010-09-19T14:00:41.759+05:30true or false
Any integer can be expressed as the...true or false<br /><br />Any integer can be expressed as the difference of the squares of two different integers.RUBYhttps://www.blogger.com/profile/15069765703015408862noreply@blogger.comtag:blogger.com,1999:blog-2787161678592839240.post-3019388680182619582010-09-19T13:59:36.780+05:302010-09-19T13:59:36.780+05:30Which has greater area?
An equilateral triangle ...Which has greater area?<br /> <br />An equilateral triangle inscribed in a circle of radius 1.<br /><br /> Or a square inscribed in a circle of radius 1.RUBYhttps://www.blogger.com/profile/15069765703015408862noreply@blogger.comtag:blogger.com,1999:blog-2787161678592839240.post-83670420385514057002010-09-19T13:58:19.410+05:302010-09-19T13:58:19.410+05:30Which smallest 2-digit number, when its digits are...Which smallest 2-digit number, when its digits are reversed and the resulting number is either added to, or subtracted from the original number, both operations will yield perfect squares ?<br /><br />options<br /><br /> 87<br /> 43<br /> 65<br /> 21RUBYhttps://www.blogger.com/profile/15069765703015408862noreply@blogger.comtag:blogger.com,1999:blog-2787161678592839240.post-30654880692373363162010-09-19T13:54:29.331+05:302010-09-19T13:54:29.331+05:30find x if x is a square number and
1 / x = 0.012...find x if x is a square number and <br /><br />1 / x = 0.01234567890123456789... ?<br /><br />option<br /><br /> 196<br /> 25<br /> 81<br /> 144RUBYhttps://www.blogger.com/profile/15069765703015408862noreply@blogger.comtag:blogger.com,1999:blog-2787161678592839240.post-82708209872946444302010-09-19T13:50:30.745+05:302010-09-19T13:50:30.745+05:30Find the Number which contains all the 10 digits f...Find the Number which contains all the 10 digits from 0 - 9 and divisible by all the positive integers from 1 to 16.<br /><br />options<br /><br /> 6827340519<br /> 3210798645<br /> 1274953680<br /> 9087654321RUBYhttps://www.blogger.com/profile/15069765703015408862noreply@blogger.comtag:blogger.com,1999:blog-2787161678592839240.post-83311648114712886032010-09-18T20:08:36.225+05:302010-09-18T20:08:36.225+05:301)
1/n - 1/n+1 = 1/n(n+1).
using this idea find t...1)<br />1/n - 1/n+1 = 1/n(n+1).<br /><br />using this idea find the sum of<br /><br />1/2 + 1/6 + 1/12 + ..+ 1/9702+ 1/9900<br /><br />Answer<br />99/100 = 0.99 <br /><br />The rest two questions are solved by Soman sirDr,Sukanyahttps://www.blogger.com/profile/11843711227380101806noreply@blogger.comtag:blogger.com,1999:blog-2787161678592839240.post-29163745601901819132010-09-18T20:06:03.984+05:302010-09-18T20:06:03.984+05:30This comment has been removed by the author.Dr,Sukanyahttps://www.blogger.com/profile/11843711227380101806noreply@blogger.comtag:blogger.com,1999:blog-2787161678592839240.post-56900223172575459132010-09-18T19:50:45.919+05:302010-09-18T19:50:45.919+05:30The smallest square number that is the sum of two ...The smallest square number that is the sum of two different positive cube numbers ANS: 9 (1+8)<br /><br /><br />Next prime fibonacci number ANS:89somanmihttps://www.blogger.com/profile/15604686595130933829noreply@blogger.comtag:blogger.com,1999:blog-2787161678592839240.post-62108866538358073782010-09-18T17:43:11.807+05:302010-09-18T17:43:11.807+05:30The first four Fibonacci numbers that are also pri...The first four Fibonacci numbers that are also prime are 2, 3, 5 and 13. <br />Which is the next prime Fibonacci number?RUBYhttps://www.blogger.com/profile/15069765703015408862noreply@blogger.comtag:blogger.com,1999:blog-2787161678592839240.post-41573830028157381602010-09-18T17:42:06.075+05:302010-09-18T17:42:06.075+05:30What is the smallest square number that is the sum...What is the smallest square number that is the sum of two different positive cube numbers?RUBYhttps://www.blogger.com/profile/15069765703015408862noreply@blogger.comtag:blogger.com,1999:blog-2787161678592839240.post-2255598705006451832010-09-18T17:39:56.888+05:302010-09-18T17:39:56.888+05:301/n - 1/n+1 = 1/n(n+1).
using this idea find the ...1/n - 1/n+1 = 1/n(n+1).<br /><br />using this idea find the sum of <br /><br />1/2 + 1/6 + 1/12 + ........... + 1/9702 + 1/9900RUBYhttps://www.blogger.com/profile/15069765703015408862noreply@blogger.comtag:blogger.com,1999:blog-2787161678592839240.post-30639038573418129122010-09-18T17:30:54.366+05:302010-09-18T17:30:54.366+05:30ThanQ haritha chehci,
Your answers and explanatio...ThanQ haritha chehci,<br /><br />Your answers and explanations are good.<br /><br />I got these questions from a mathematics quiz book.<br /><br /> Thanks again.RUBYhttps://www.blogger.com/profile/15069765703015408862noreply@blogger.comtag:blogger.com,1999:blog-2787161678592839240.post-13053145741913762662010-09-18T17:02:56.786+05:302010-09-18T17:02:56.786+05:30@ Ruby Chechi
ഇപ്പോള് എന്ത് ചെയുന്നു ടീച്ചര് ആ...@ Ruby Chechi <br /><br />ഇപ്പോള് എന്ത് ചെയുന്നു ടീച്ചര് ആണോ അതോ പഠിച്ചു കൊണ്ടിരിക്കുകയാണോ?പഠിക്കുകയാണ് എങ്കില് എത്രാം ക്ലാസ്സില് പഠിക്കുന്നു?ചില ചോദ്യങ്ങള് കണ്ടപ്പോള് ഹൈസ്കൂള് ക്ലാസ്സില് പഠിച്ചു കൊണ്ടിരിക്കുന്ന കുട്ടി ആണ് എന്ന് തോന്നി അതാണ് ഇങ്ങനെ ചോതിച്ചത്. ചോദ്യങ്ങള് എല്ലാം നന്നായിട്ടുണ്ട് കെട്ടൊ.Dr,Sukanyahttps://www.blogger.com/profile/11843711227380101806noreply@blogger.comtag:blogger.com,1999:blog-2787161678592839240.post-13907098369667564582010-09-18T16:58:05.298+05:302010-09-18T16:58:05.298+05:30@ Ruby Chechi
1)The sum of the three most beauti...@ Ruby Chechi <br /><br />1)The sum of the three most beautiful mathematical constants, "pi", "e" and "Phi" is closest to which integer?<br /><br /><b>3.14 + 2.71 + 1.61 = 7.46 </b><br /><br />So the sum is closer to 7 <br /><br />2)If A = The number of sides of a pentagon; B = The third odd positive integer; C = The fifth Fibonacci number ; D = The number of diagonals of a pentagon; E = The third prime number,then find A+B+C+D+E?<br /><b><br />A = The number of sides of a pentagon = 5<br /><br />B=The third odd positive integer=5<br /><br />C = The fifth Fibonacci number = 5<br /><br />D = The number of diagonals of a pentagon = 5<br /><br />E = The third prime number = 5<br /><br />Hence A+B+C+D+E = 5 x 5 = 25 </b><br /><br />3)Find the smallest positive integer that can be divided completely by 2, 4, 6, 8 and 10 ?<br /><br /><b>Just find the L.C.M of 2, 4, 6, 8 and 10 then we get 120 so 120 is the mallest positive integer that can be divided completely by 2, 4, 6, 8 and 10</b><br /><br />4)The smallest three-digit palindromic square number is 121. which is the second smallest number with such properties.<br />Also first digit is 4 and the sum of all three digits is 16.<br /><br /><b>484 </b><br /><br />5)The first two numbers, that are the averages of two consecutive prime numbers which differ by 2 are 4 & 6. Which is the third number that has the same properties?<br /><br /><b>12 </b>Dr,Sukanyahttps://www.blogger.com/profile/11843711227380101806noreply@blogger.com