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  #2  
20th August 2014, 03:19 PM
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Join Date: Apr 2013
Re: Shortcuts for Bank PO Maths Exam

Bank Probationary Officer Maths exam has following topics:

Classification
Analogy
Decision Making
Word Formation
Series, Decoding & Coding
Blood Relation
Symbol & Notation
Statement & Conclusion
Sitting Arrangement
Arithmetic & Data Interpretation
Bar Graphs
Pie-Charts
Line Graphs & Tabulation
Roots
Average
Ratio
Time & Work
Time And Distance
Percentage
Profit & Loss

Shortcuts for Bank PO Maths Exam

Mental Calculation to be emphasized
Build concepts
Solved questions with proper formula
Solved questions step by step
Take previous year question with soulations
Good books for preparation
Learn tables, squares and cubes
Time management
Take good books
  #3  
7th November 2015, 01:20 PM
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Re: Shortcuts for Bank PO Maths Exam

Hello sir I am preparing for the Bank PO exam so please provide me the Shortcuts for and preparation tips of this subject.
  #4  
7th November 2015, 01:20 PM
Super Moderator
 
Join Date: Apr 2013
Re: Shortcuts for Bank PO Maths Exam

In every competitive exam you have to solve aptitude question accurately in limited time so for that you must solve question directly using short tricks.

List of short tricks for Maths


1. Squaring
In this you need to modify the equation and make the units digit zero. After all it is easy to multiply when units digit is zero.

For example - Find square of 43
= (43+3) × (43-3) + (3×3)
=(46×40) + 9
= (460×4) + 9
= 1840 + 9 = 1849

2. Multiplication with 5
Simply multiply the number by 10 and then divide it by 2.
For example 99×5= 990/2= 495

Multiplication with 99
Multiply the number with 100 and then minus same number from the result.
Multiply 32×99 = 3200 - 32 = 3168

3. Mixture
Questions related to mixtures can be easily solved by allegation method. By using allegation you can wide arrange of maths questions.

Example

Price of wine of $60 per liter. If Samuel is adding water with and selling the mixture for $40 per liter. Profit margin remains same. What is the ratio of water and wine in the mixture.

4. Square root
Best method to find square root of large numbers is by dividing the number into parts. Let's take an example
Find square √ 1936
√ 1936 = √ 4 × √ 484 = √ 4 × √ 4 × √ 121 = 2×2×11 = 44

5. Time and Work
Every question in time and work chapter can be solved easily by finding efficiency of workers or subject (such as pipes).

For example - A takes 10 days to complete a job. B takes 20 days to complete the same job. In how many days they will complete the job if they work together?

A's efficiency = 100/10 = 10% per day
B's efficiency = 100/20 = 5% per days

A and B can do 15% of the work in a day if they work together. So they can do the whole job in 100/15 = 6.66 days or 6 days and 18 hours.

6. Profit and Loss
In case of profit
25% of Cost Price (1/4 of CP) = 20% of Selling Price (1/5 of SP)
Similarly 1/3 of CP = 1/2 of SP

In case of loss
25% of Selling Price (1/4 of SP) = 20% of Cost Price (1/5 of CP)
Similarly 1/3 of SP = 1/2 of CP

7. Estimation
That's the most important technique. This is not a secret that every successful candidate is using this technique during exams.

Example - 112 × 92
Simply 112 × 9 = 1008
Add a zero 10080 and then add 224 to 10080.
Answer is 10304

Best Books on Quantitative Aptitude :

QUANTITATIVE APTITUDE 17th Edition (Paperback) by S. Chand

Quantitative Aptitude for Competitive Examinations 1st Edition (Paperback) by Trishna Knowledge Systems

Quantitative Aptitude For Competitive Examinations 4th Edition (Paperback) by Abhijit Guha

Quantitative Aptitude Test 1st Edition (Paperback) by N. K. Singh


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