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<html><table height="500" width="1000" border="2"><TR height="5" width="1000"><strong><center><marquee><font color="Green"><h1>APTITUDE</h1></center></strong></font></TR></marquee><TR><TD align="left" width="200" valign="top"><table><TR><a href="numbers.html"><strong>Numbers</strong></a></TR><br><TR><a href="hcf.html"><strong>H.C.F and L.C.M</strong></a></TR><br><TR><a href="dec.html" target="right"><strong>Decimal Fractions</strong></a></TR><br><TR><a href="simplification.html"><strong>Simplification</strong></a></TR><br><TR><a href="squareandcuberoot.html" target="right"><strong>Square and Cube roots</strong></a></TR><br><TR><a href="average.html" ><strong>Average</strong></a></TR><br><TR><a href="pnumbers.html" ><strong>Problems on Numbers</strong></a></TR><br><TR><a href="problemsonages.html"><strong>Problems on Ages</strong></a></TR><br><TR><a href="surdsandindices.html"><strong>Surds and Indices</strong></a></TR><br><TR><a href="percent.html" target="right"><strong>Percentage</strong></a></TR><br><TR><a href="profitandloss.html" target="right"><strong>Profit and Loss</strong></a></TR><br><TR><a href="ratioandproportion.html" target="right"><strong>Ratio And Proportions</strong></a></TR><br><TR><a href="partnership.html"><strong>Partnership</strong></a></TR><br><TR><a href="chainrule1.html"><strong>Chain Rule</strong></a></TR><br><TR><a href="timeandwork.html" target="right"><strong>Time and Work</strong></a></TR><br><TR><a href="pipesandcisterns.html" target="right"><strong>Pipes and Cisterns</strong></a></TR><br><TR><a href="timeanddistance.html"><strong>Time and Distance</strong></a></TR><br><TR><a href="trains.html" target="right"><strong>Trains</strong></a></TR><br><TR><a href="boats.html"><strong>Boats and Streams</strong></a></TR><br><TR><a href="alligation.html"><strong>Alligation or Mixture </strong></a></TR><br><TR><a href="simple.html" target="right"><strong>Simple Interest</strong></a></TR><br><TR><a href="CI.html" target="right"><strong>Compound Interest</strong></a></TR><br><TR><a href=""><strong>Logorithms</strong></a></TR><br><TR><a href="areas.html" target="right"><strong>Areas</strong></a></TR><br><TR><a href="volume.html" target="right"><strong>Volume and Surface area</strong></a></TR><br><TR><a href="races.html" target="right"><strong>Races and Games of Skill</strong></a></TR><br><TR><a href="calendar.html" target="right"><strong>Calendar</strong></a></TR><br><TR><a href="clocks.html" target="right"><strong>Clocks</strong></a></TR><br><TR><a href="" target="right"><strong>Stocks ans Shares</strong></a></TR><br><TR><a href="true.html" target="right"><strong>True Discount</strong></a></TR><br><TR><a href="banker1.html" target="right"><strong>Bankers Discount</strong></a></TR><br><TR><a href="oddseries.html" target="right"><strong>Oddmanout and Series</strong></a></TR><br><TR><a href=""><strong>Data Interpretation</strong></a></TR><br><TR><a href="probability.html"><strong>probability</strong></a></TR><br><TR><a href="percom1.html" target="right" ><strong>Permutations and Combinations</strong></a></TR><br><TR><a href="pinkivijji_puzzles.html" target="right"><strong>Puzzles</strong></a></TR></table></TD><TD valign="top"><a href="oddseries.html"><strong>BACK</strong></a> <h2 ><u><b>ODD MAN OUT & SERIES</b></u></h2><h3><b><i><u>EXAMPLE PROBLEMS:</u></i></b></h3><pre> 1.Find the odd one out. 3,5,7,12,17,19 SOLUTION: In the above series except 12 all elements are odd numbers.so 12 is the odd one. <br> 2. Find the odd one out. 1,4,9,16,23,25,36 SOLUTION: In the above series all elements except 23 are perfect sqares.so 23 is odd one. 3. Find the odd one out. 41,43,47,53,61,71,73,81 SOLUTION: In the above series all elements except 81 are prime numbers.so 81 is odd one. 4.Find the odd one out. 1,4,9,16,20,36,49 SOLUTION: In the above series all elements except 20 are perfect squares.So 20 is odd one. 5.Find the odd one out. 8,27,64,100,125,216,343 SOLUTION: In the above series all elements except 100 are perfect cubes.so 100 is odd one. 6. Find the odd one out. 1,5,14,30,50,55,99 SOLUTION: In the above series all elements in the pattern like 12, 12+22,12+22+32,................. But 50 is not in this pattern,so odd one. 7.Find the odd one out. 835,734,642,751,853,981,532 SOLUTION: In the above series,the difference between third and first digit of each element is equal to its middle digit.But 751 is not in this pattern,so odd one. 8. Find the odd one out. 385,4462,572,396,427,672,264 SOLUTION: In the above series,the sum of first and third digit of each element is equal to its middle digit.But 427is not in this pattern,so odd one. 9. Find the odd one out. 331,482,551,263,383,242,111 SOLUTION: In the above series,the product of first and third digit of each element is equal to its middle digit. But 383 is not in this pattern,so odd one. 10. Find the odd one out. 2,5,10,17,26,37,50,64 SOLUTION: In the above series,the elements are in the pattern of x2+1,Where x is 1,2,3,4,5,6,7.but 82+1 is not equal to 64.It is 65.64 is odd one. 11. Find the odd one out. 19,28,39,52,67,84,102 SOLUTION: In the above series,the elements are in the pattern of x2+3,Where x is 4,5,6,7,8,9,10.but 102+3 is not equal to 102.It is 103.so 102 is odd one. 12.Find the odd one out. 253,136,352,460,324,613,244 SOLUTION: In the above series,the elements are in the pattern of x2+3,Where x is 4,5,6,7,8,9,10.but 102+3 is not equal to 102.It is 103.so 102 is odd one. </pre></TD></TR></table></body></html> ?? 快捷鍵說(shuō)明
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