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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" ><strong>Decimal Fractions</strong></a></TR><br><TR><a href="simplification.html"><strong>Simplification</strong></a></TR><br><TR><a href="squareandcuberoot.html" ><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" ><strong>Percentage</strong></a></TR><br><TR><a href="profitandloss.html" ><strong>Profit and Loss</strong></a></TR><br><TR><a href="ratioandproportion.html" ><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" ><strong>Time and Work</strong></a></TR><br><TR><a href="pipesandcisterns.html" ><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" ><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" ><strong>Simple Interest</strong></a></TR><br><TR><a href="CI.html"><strong>Compound Interest</strong></a></TR><br><TR><a href=""><strong>Logorithms</strong></a></TR><br><TR><a href="areas.html" ><strong>Areas</strong></a></TR><br><TR><a href="volume.html"><strong>Volume and Surface area</strong></a></TR><br><TR><a href="races.html" ><strong>Races and Games of Skill</strong></a></TR><br><TR><a href="calendar.html" ><strong>Calendar</strong></a></TR><br><TR><a href="clocks.html" ><strong>Clocks</strong></a></TR><br><TR><a href="" ><strong>Stocks ans Shares</strong></a></TR><br><TR><a href="true.html" ><strong>True Discount</strong></a></TR><br><TR><a href="banker1.html" ><strong>Bankers Discount</strong></a></TR><br><TR><a href="oddseries.html"><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" ><strong>Permutations and Combinations</strong></a></TR><br><TR><a href="pinkivijji_puzzles.html" ><strong>Puzzles</strong></a></TR></table></TD><TD valign="top"><a href="numbers.html"><b>BACK</b></a><h2 align="center"><u><b><i>NUMBER SYSTEMS</i></b></u></h2><br><br><h3 align="center"><b><i> SOLVED PROBLEMS</i></b></h3><br><br><b>1.Simplify a.8888+888+88+8</b><br> b.11992-7823-456<br><b>Solution:</b> a.8888<br> 888<br> 88<br> 8<br> 9872<br> b.11992-7823-456=11992-(7823+456)<br> =11992-8279=3713<br> <b>2.What could be the maximum value of Q in the following equation?<br> 5PQ+3R7+2Q8=1114</b><br><b>Solution:</b> 5 P Q<br> 3 R 7<br> 2 Q 8<br> 11 1 4<br> 2+P+Q+R=11 <br> Maximum value of Q =11-2=9 (P=0,R=0)<br><br><br><b>3.Simplify: a.5793405*9999 b.839478*625<br>Solution:</b> <br> a. 5793405*9999=5793405*(10000-1)<br> 57934050000-5793405=57928256595<br> b. 839478*625=839478*54=8394780000/16=524673750.<br><br><br><b>4.Evaluate 313*313+287*287<br>Solution: </b> <br> a虏+b虏=1/2((a+b)虏+(a-b)虏)<br> 1/2(313+287)虏 +(313-287)虏=1/2(600 虏 +26 虏 )<br> 陆(360000+676)=180338<br><br><br><b>5.Which of the following is a prime number?<br> a.241 b.337 c.391<br>Solution:</b><br> a.241<br> 16>鈭⌨️ 快捷键说明
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