Mixture and Alligation Shortcuts

Friends, today we shall discuss about an important concept for Banking and Other Competitive Exams - Mixture and Alligation. Usually people leave this section because its little confusing. But trust us friends, we will make it easier for you. Lets start with the basics...

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How To Do Probability - Aptitude for Competitive Exams

Probability, an important area for almost all Competitive Exams. When we started posting Quantitative Aptitude Shortcut Tricks, many people asked us to post some questions about Maths Probability Help. We are keep on postponing this request because we feel simply posting some questions wont help really. So finally here we came up with this shortnotes on Probability which really helps you in getting good marks in Probability and Statistics section of Maths in Bank and all Competitive Exams. In this notes we've started with the basic details like definitions and later explained the concept with problems. We've tried to give detailed explanation for every problem we've mentioned in this small book. Good Day and Happy Reading :)

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Speed Improvement Test - Day 8

Recommended Time : 15 Mins

First to these tests? Start the tests from Day 1

Percentages

1. 55.55% of 468 = ?
2. 15.88% of 510 = ?
3. 34.09 % of 792 = ?
4. What percentage of 933 is 588 ?
5. By what percentage is 412 more than 322 ?

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Math Tables in Audio (Mp3) format

First time in the history, Guide4BankExams is proudly presenting Math tables in audio (Mp3) format. The concept behind this post is very simple. Its an open secret that most of us don’t know the answer of “What is Seventeen eights are!!!”. Ofcourse we do have some techniques to calculate the answer in our minds, but my question is “Why to waste those few seconds during the time of exam???”. We are posting the tables in audio format because It has been known for years that our brains can continue to take in and learn new information even while we are asleep. So why not use this to help those people who have great difficulty in learning their 'times tables'. These  files are numbered the same as the tables. i.e. the Ten’s times table is track 10; the Thirteen’s times table is track 13 etc. The tables cover the numbers from 1 to 20! You can use the files in two different ways : 

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Time, Distance and Speed

Today we shall discuss another important topic of Aptitude - Time and Distance. In these type of problems you have to do problems on the speed of Train, Boat etc. Initially these problems may look little confusing, but if you practice well these are very interesting, easy to solve and help you to get good marks. But please keep in mind that the problems of this type are little confusing, people often lose marks because of their lack of concentration. They may feel that they've got the correct answer and choose the answer according to that, but they often endup forgetting CONVERSION (you will know what we've meant by this conversion later). Now before going into details, lets discuss some useful formulas of Time, Distance and Speed.

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Speed Improvement Test - Day 5

Recommended Time : 15 Mins

<< Read Shortcut Techniques Here

Additions / Subtractions

1. 3972 + 7646 + 8791 + 2763 + 9437 = ?
2. 7149 + 3487 + 2983 + 6731 + 8971 = ?
3. 545 - 32 + 217 + 49 - 117 + 81 =?
4. 642 + 717 - 84 + 343 - 119 + 420 = ?
5. 2636 - 1742 + 8346 + 73 - 514 = ?

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Mental Maths (Additions)

In this post, we will show you how to do Additions Mentally. Have a look at the Following Examples........

• 342 + 557 + 629 + 746 + 825 = ?

• When we are adding three-digit numbers, first add-two-digits at a time (Units and Tens Place).
• 42 + 57 + 29 +| 46 + 25 = 199
• To add 42 and 57, mentally treat 57 as 50 + 7 ( Because 50 would facilitate quick addition)
• So, 42 + 57 = (42 + 50) + 7 = 92 + 7 = 99
• Similarly, 99 + 29 = (99 + 20_ + 9 = 128
• 128 + 46 = (128 + 40) + 6 = 174
• 174 + 25 = (174 + 20) + 5 = 199
• The last two digits (the units place and the tens place)

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