
Elementary Math Fractions, Percentages, Word Problems, Equations, Inequations, Factorization, Expansion 
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April 6th, 2012, 06:23 PM  #1 
Joined: Apr 2012 Posts: 2 Thanks: 0  PERCENTAGE SHORTCUT
Hi i have few problems in percentage [color=#FF4000]i can solve these problem but in long method[/color]. I would appreciate if anyone can [color=#FF0000]help me to solve these below mentioned questions with any trick or short way[/color]. Q1. (43% of 2750) – ( 38% of 2990 ) = ? Option – (a) 43.6 (b) 46.3 (c) 44.7 (d) 49.3 (e) None of These Q2. (9% of 386) * (6.5% of 144) = ? Option – (a) 328.0065 (b) 333.3333 (c) 325.1664 (d) 340.1664 (e) None of These Q3. 12% of 980  ?% of 450 = 30% of 227 Option – (a) 14 (b) 17 (c) 11 (d) 8 (e) None of These Q4. ? % of 8745 = 5159.55 Option – (a) 47 (b) 49 (c) 54 (d) 57 (e) None of These Q5. 53% of 120 + 25 % of 862 = ? % of 500 Option – (a) 42.50 (b) 55.82 (c) 38.89 (d) 63.68 (e) None of These Q6. (180 % of ? ) / 2 = 504 Option – (a) 400 (b) 480 (c) 560 (d) 600 (e) None of These Q7. (0.08% of 363 + 0.6% of 241 ) * 500 = ? Option – (a) 84.62 (b) 86.82 (c) 846.2 (d) 868.2 (e) None of These Q8. (31% of 260) * ? = 12896 Option – (a) 140 (b) 150 (c) 160 (d) 180 (e) None of These please reply soon. Regards Santosh 
April 6th, 2012, 06:42 PM  #2 
Global Moderator Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 11,794 Thanks: 255 Math Focus: The calculus  Re: PERCENTAGE SHORTCUT
I don't know what method you are using, but I would simply get out my calculator, convert the percentages to decimals and perform the indicated operations: Q1. Q2. Q3. Q4. Q5. Q6. Q7. Q8. 
April 6th, 2012, 06:52 PM  #3 
Joined: Apr 2012 Posts: 2 Thanks: 0  Re: PERCENTAGE SHORTCUT
Hi, thanks for reply, actually i am preparing for an exam for MBA exam for this i am trying to findout the easiest way to solve these reply. In this exam i cannot you calculator. I can resolve this problem but with long method but i want to resolve these question with any tricks or shortcut method like Digital root or Last Digit checks etc.. Thnks 

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