Logo of Lazymaths

Lazymaths Blog

Try for free
Display Related Blog Your Ideas ZZZlog
Display Related Display Related
  Home > Zzzlog  
 
 
   Zzzlog

THIS WEEK’S FREE DON’T SOLVE PROBLEM ON EQUATIONS

March 10th, 2010

Don’t Solve are Smart Math problems attempted without solving. By using simple logic and smart techniques, answers to seemingly complex Math problems can be easily found in a matter of seconds… without actually solving the problem! Don’t believe it? Read below to see it for yourself!

Anyone can benefit by learning better Math. Whether you are a student, a parent, a teacher or simple a casual Internet surfer, this will change your outlook for Math – guaranteed! Whether you are taking any Math test or even training others for a Math test, these Math techniques will boost your confidence as well as the score. Don’t take GRE, GMAT, SAT or any other similar test without LazyMaths.com. Our students have reported significant increase in their quant scores in these tests.

Know more about Don’t Solve here

Every week we publish 1 FREE Don’t Solve problem. To learn all the hundreds of math techniques, sign up with LazyMaths.com. When you sign up and become a member, you can access math techniques in Algebra, Geometry, Ratio Proportion, Averages, Time Speed & Distance and many more areas. You can also interact with other users, leave comments, ask questions and rate every problem!

Here is this week’s FREE Don’t Solve problem…


Problem

Find the value of ‘a’ in .
a. 4
b. 2
c. 1
d. 3
e. 0
Usual Method

() = 12
= 1
a = 0
(Ans: e)
Estimated Time to arrive at the answer = 75 seconds.

div>

Smart Technique

Simply look at the options and start substituting the values in the expressions and just check which one satisfies the equation Also, remember to start substituting with the value that is easiest of all to substitute. In this case, for example, the easier values are ‘0’ and ‘1’. You would notice that ‘0’ satisfies the equation as follows:
Hence option ‘e’.
(Ans: e)
Estimated Time to arrive at the answer = 10 seconds.


Tell us what you think about the techniques used to solve this problem. Does this help in making math easy? Save time?

Feel free to suggest any new shortcuts or share your comments. If you like this site, share it with your friends.

NOTE: We publish one FREE problem every Wednesday. It auto expires after 1 month. Become a Member to learn hundreds of shortcuts and techniques.

Sphere: Related Content

  • Share/Bookmark
Tags: , , , , , , , ,
Posted in Tips & Techniques | No Comments »
 

THIS WEEK’S FREE SPEED MATH SHORTCUT – 98989×4

March 7th, 2010

Zappers are Speed Math shortcuts that help solve seemingly complex Math problems in a matter of seconds… without using a calculator!

Anyone can benefit by learning better Math. Whether you are a student, a parent, a teacher or simple a casual Internet surfer. This will change your outlook for Math – guaranteed! Whether you are taking any Math test or even training others for a Math test, these Math shortcuts will boost your confidence as well as score. Don’t take GRE, GMAT, SAT or any other similar test without LazyMaths.com. Our students have reported significant increase in their quant [...] Continue Reading…

Sphere: Related Content

  • Share/Bookmark
Tags: , , , , , , , ,
Posted in Tips & Techniques | No Comments »
 

THIS WEEK’S FREE DON’T SOLVE PROBLEM ON RATIO PROPORTION

March 3rd, 2010

Don’t Solve are Smart Math problems attempted without solving. By using simple logic and smart techniques, answers to seemingly complex Math problems can be easily found in a matter of seconds… without actually solving the problem! Don’t believe it? Read below to see it for yourself!

Anyone can benefit by learning better Math. Whether you are a student, a parent, a teacher or simple a casual Internet surfer, this will change your outlook for Math – guaranteed! Whether you are taking any Math test or even training others for a Math test, these Math techniques will boost your confidence as [...] Continue Reading…

Sphere: Related Content

  • Share/Bookmark
Tags: , , , , , , , ,
Posted in Tips & Techniques | No Comments »
 

THIS WEEK’S FREE SPEED MATH SHORTCUT – 89×95

February 28th, 2010

Zappers are Speed Math shortcuts that help solve seemingly complex Math problems in a matter of seconds… without using a calculator!

Anyone can benefit by learning better Math. Whether you are a student, a parent, a teacher or simple a casual Internet surfer. This will change your outlook for Math – guaranteed! Whether you are taking any Math test or even training others for a Math test, these Math shortcuts will boost your confidence as well as score. Don’t take GRE, GMAT, SAT or any other similar test without LazyMaths.com. Our students have reported significant increase in their quant [...] Continue Reading…

Sphere: Related Content

  • Share/Bookmark
Tags: , , , , , , , ,
Posted in Tips & Techniques | 1 Comment »
 

THIS WEEK’S FREE DON’T SOLVE PROBLEM ON RATIO PROPORTION

February 24th, 2010

Don’t Solve are Smart Math problems attempted without solving. By using simple logic and smart techniques, answers to seemingly complex Math problems can be easily found in a matter of seconds… without actually solving the problem! Don’t believe it? Read below to see it for yourself!

Anyone can benefit by learning better Math. Whether you are a student, a parent, a teacher or simple a casual Internet surfer, this will change your outlook for Math – guaranteed! Whether you are taking any Math test or even training others for a Math test, these Math techniques will boost your confidence as [...] Continue Reading…

Sphere: Related Content

  • Share/Bookmark
Tags: , , , , , , , ,
Posted in Tips & Techniques | No Comments »
 

THIS WEEK’S FREE SPEED MATH SHORTCUT – 73321×9

February 21st, 2010

Zappers are Speed Math shortcuts that help solve seemingly complex Math problems in a matter of seconds… without using a calculator!

Anyone can benefit by learning better Math. Whether you are a student, a parent, a teacher or simple a casual Internet surfer. This will change your outlook for Math – guaranteed! Whether you are taking any Math test or even training others for a Math test, these Math shortcuts will boost your confidence as well as score. Don’t take GRE, GMAT, SAT or any other similar test without LazyMaths.com. Our students have reported significant increase in their quant [...] Continue Reading…

Sphere: Related Content

  • Share/Bookmark
Tags: , , , , , , , ,
Posted in Tips & Techniques | No Comments »
 

THIS WEEK’S FREE DON’T SOLVE PROBLEM ON BASIC ARITHMETIC

February 17th, 2010

Don’t Solve are Smart Math problems attempted without solving. By using simple logic and smart techniques, answers to seemingly complex Math problems can be easily found in a matter of seconds… without actually solving the problem! Don’t believe it? Read below to see it for yourself!

Anyone can benefit by learning better Math. Whether you are a student, a parent, a teacher or simple a casual Internet surfer, this will change your outlook for Math – guaranteed! Whether you are taking any Math test or even training others for a Math test, these Math techniques will boost your confidence as [...] Continue Reading…

Sphere: Related Content

  • Share/Bookmark
Tags: , , , , , , , ,
Posted in Tips & Techniques | No Comments »
 

THIS WEEK’S FREE SPEED MATH SHORTCUT – 18^3

February 14th, 2010

Zappers are Speed Math shortcuts that help solve seemingly complex Math problems in a matter of seconds… without using a calculator!

Anyone can benefit by learning better Math. Whether you are a student, a parent, a teacher or simple a casual Internet surfer. This will change your outlook for Math – guaranteed! Whether you are taking any Math test or even training others for a Math test, these Math shortcuts will boost your confidence as well as score. Don’t take GRE, GMAT, SAT or any other similar test without LazyMaths.com. Our students have reported significant increase in their quant [...] Continue Reading…

Sphere: Related Content

  • Share/Bookmark
Tags: , , , , , , , ,
Posted in Tips & Techniques | No Comments »
 

THE ULTIMATE COLLECTION OF EVERY KNOWN TESTS OF DIVISIBILITY

June 9th, 2009

(Remember to discuss this article on Digg with your friends. You can also choose other bookmarking services from the Share / Save button at the bottom of this article.
After the most successful and very useful article on THE ULTIMATE GUIDE TO NUMBER CLASSIFICATION, LazyMaths.com is pleased to offer another path breaking article – THE ULTIMATE COLLECTION OF EVERY KNOWN TESTS OF DIVISIBILITY.
 
As a part of any speed math exam like GMAT, GRE or CAT, if you are trying to find out whether that number is evenly divisible without actually dividing it, then use these tests of divisibility. Learn these [...] Continue Reading…

Sphere: Related Content

  • Share/Bookmark
Tags: , , , , , , , ,
Posted in Tips & Techniques | 1 Comment »
 

PROVING APPROXIMATION WITH PRECISION

May 28th, 2009

The New York Times recently (Sep 16) published an interesting article – “Gut Instinct’s surprising role in Math”. The article shares an interesting view about human mind’s ability to instinctively solve math problems. It shows how the mind is wired to perform some seemingly complex math tasks with ease.

To quote it from the article “Whenever we choose a shorter grocery line over a longer one, or a bustling restaurant over an unpopular one, we rally our approximate number system, an ancient and intuitive sense that we are born with and that we share with many other animals. Rats, pigeons, [...] Continue Reading…

Related Posts with Thumbnails Sphere: Related Content

  • Share/Bookmark
Tags: , , , , , , ,
Posted in Facts & Fun | 2 Comments »
 
 
Like This Site
Think you have an Idea?

Welcome to LazyMaths Blog -
The official home of the Fastest and Smartest Math around!

Check us out for some snappy Math ideas and witty Math quiz as you learn Math the intelligently lazy way!

We are the first and only website offering Speed Math shortcuts and Smart Math techniques.

Whether you are a School student taking a math test or the SAT or someone taking a competitive Math exam like GMAT, GRE or even the Math Olympiad, LazyMaths will boost your Math score and confidence.

Our students have reported getting 100% marks in their Math tests using our shortcuts and techniques!

Search

Follow us on Twitter Follow us on Twitter

Join us on Facebook Join us on Facebook

  • Categories

  • LazyMaths Events

    March 2010
    S M T W T F S
    « Feb    
     123456
    78910111213
    14151617181920
    21222324252627
    28293031  
  •  
     
         
    display related
      © LazyMaths.com. All Rights Reserved
       
    Subscribe to lazymath
    Terms of use   |   Privacy Policy   |   Sitemap
    display related