My Math Forum  

Go Back   My Math Forum > High School Math Forum > Elementary Math

Elementary Math Fractions, Percentages, Word Problems, Equations, Inequations, Factorization, Expansion

Reply
 
LinkBack Thread Tools Display Modes
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
Attached Files
File Type: doc Percentage.doc (20.5 KB, 179 views)
santosh9810003003 is offline  
 
April 6th, 2012, 06:42 PM   #2
Global Moderator
 
MarkFL's Avatar
 
Joined: Jul 2010
From: St. Augustine, FL., U.S.A.'s oldest city

Posts: 11,566
Thanks: 108

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.



MarkFL is offline  
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
santosh9810003003 is offline  
Reply

  My Math Forum > High School Math Forum > Elementary Math

Tags
percentage, shortcut


Thread Tools
Display Modes


Similar Threads
Thread Thread Starter Forum Replies Last Post
Percentage Changes dawgphysics Elementary Math 0 March 6th, 2014 02:28 PM
Shortcut to jacobian Jhenrique Linear Algebra 2 February 28th, 2014 06:59 PM
Is there any method/shortcut other than reducing them Matthewe Algebra 3 December 10th, 2012 03:08 AM
percentage maths_illiterate Elementary Math 1 March 28th, 2011 10:21 PM
Percentage MathematicallyObtuse Algebra 4 January 9th, 2011 05:30 AM





Copyright © 2014 My Math Forum. All rights reserved.