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📁 aptitude book by r s aggarwal
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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="profitandloss.html" target="right"><strong>BACK</strong></a><br><br><pre><div align="center"><font size=6 ><strong><u>PROFIT AND LOSS</u></strong></font> </div><font size=5  ><strong><u><div align="left">SIMPLE PROBLEMS</div></u></strong></font> 	<font size=4>1.A man buys an article for Rs.27.50 and sells it for Rs.28.60 Find the gain percent.Sol:     C.P=Rs 27.50        S.P=Rs 28.60         then Gain=S.P-C.P=28.60-27.50=Rs 1.10        Gain%=(gain*100)/C.P%                   =(1.10*100)/27.50%=4% 2.If a radio is purchased for Rs 490 and sold for Rs 465.50 Find the loss%?Sol:  C.P=Rs 490      S.P=Rs 465.50        Loss=C.P-S.P=490-465.50=Rs 24.50         Loss%=(loss*100)/C.P%                   =(24.50*100)/490%=5%3.Find S.P when C.P=Rs 56.25 and Gain=20%Sol:   S.P=[(100+gain%)/100]*C.P          S.P=[(100+20)/100]56.25=Rs 67.50	  4.Find S.P when C.P=Rs 80.40,loss=5%Sol:    S.P=[(100-loss%)/100]*C.P           S.P=[(100-5)/100]*80.40=Rs 68.34	   5.Find C.P when S.P=Rs 40.60,gain=16%?Sol:     C.P=(100*S.P)/(100+gain%)            C.P=(100*40.60)/(100+16)=Rs 356.Find C.P when S.P=Rs 51.70 ,loss=12%?Sol:     C.P=(100*S.P)/(100-loss%)            C.P=(100*51.70)/(100-12)=Rs 58.75	    7.A person incurs 5% loss by selling a watch for Rs 1140 . At what price should the watch be sold to earn 5% profit?Sol:  Let the new S.P be  Rs x then,        (100-loss%):(1st S.P)=(100+gain%):(2nd S.P)        (100-5)/1140=(100+5)/x       x=(105*1140)/95=Rs 1260       8.If the cost price is 96% of the selling price,then what is the profit percent?Sol:       let S.P=Rs 100 then C.P=Rs 96              profit=S.P-C.P=100-96=Rs 4             profit%=(profit*C.P)/100%                        =(4*96)/100=4.17%9.A discount dealer professes to sell his goods at cost price but uses a weight of 960 gms for a Kg weight .Find his gain %?            Sol:             Gain%=[(error*100)/(true value-error)]%                         =[(40*100)/1000-40)]%=25/6%10.A man sold two flats for Rs 675,958 each .On one he gains 16% while on the other he losses 16%.How much does he gain or lose in the whole transaction?Sol:         loss%=[common loss or gain%/10]2=(16/10)2=2.56%11.A man sold two cows at Rs 1995 each. On one he lost 10% and on the other he gained 10%.what his gain or loss percent?Sol:      If loss% and gain% is equal to 10             then there is no loss or no gain.12.The price of an article is reduced by 25% in order to restore the must be increased by ?Sol:      [x/(100-x)]*100 =[25/(100-25)]*100                                       =(25/75)*100=100/3%13.Two discounts of 40% and 20% equal to a single discount of?Sol:       {[(100-40)/100]*[(100-20)/100]}%=(60*80)/(100*100)%                                            =48%                              single discount is equal to (100-48)%=52%</font><font size="+3"><a href="ratioandproportion.html" target="right"><strong>BACK</strong></a><br><br></font>  </pre></TD></TR></table></body></html>
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