# Aptitude Shortcuts

Aptitude Shortcuts

### Base Method of Squaring a number

Base Method of Squaring a number: Base method of squaring is very much easy and quick technique of Vedic mathematics. In this method we need to consider two types of base, which are Actual base: 10, 100, 1000, 10000 and so on Working base: 20, 30, 40, 200, 300, 400 etc. Working base taken by

Aptitude Shortcuts

### Shortcuts for Ratio and Proportion – 2

Shortcut 8: Finding number of coins in a bag pAx+qBx+rCx=T p : q : r = ratio of number of coins A, B, C = value of respective coins. T = total amount; x = common factor. Question: A bag contains 5 paise, 10 paise and 20 paise coins in the ratio 2:4:5. Total amount in

Aptitude Shortcuts

### Two important Tips for Competitive Exam

Two important Tips for Competitive Exam These two tips are always use for easy calculation to save extra time. In competitive exam mostly questions are basic calculation type, but time allotted is very little. One main reason of failing in competitive exam is bad time management. So we need some basic time saving tips to

Aptitude Shortcuts

### Syllogism

Syllogism: “Syllogism” is defined as „interference‟ or „deduction‟. Syllogism has at least 4-5 questions in all competitive examination. So in this chapter our focus is to know about technique to solve problem. First of all we have to understand the format of these types of questions. There are two parts in this type of question:

Aptitude Shortcuts

### Quantitative Aptitude

Series: AP, GP and other formula: [mathjax] Arithmetic Progression (AP): If a, a+d, a+2d, a+3d …………….are said to be in AP in which „a‟ is the first term and„d‟ is the common difference.Then, nth term = a+(n-1)d Sum of the n terms = [2a+(n-1)d] Sum of the n terms = (a+l), where „l‟ is the

Aptitude Shortcuts

### Base method of multiplication

Base method of multiplication 1 st of all question is, why it is called base method. In Vedic mathematics there is a saying in Sanskrit, “Nikhilam Navatascaramam Dasatah”. It means “all form 9 and last form 10” In this method we have to determine the base of the number first. Detailed steps of this method

Aptitude Shortcuts

### Cube roots of perfect cubes

[mathjax] Basic Cube Values 1st of all we need to remember the cubes of number ranging from 1 to 10. Below the cubes of this number is given in table form:- Number Cube 1 1 2 8 3 27 4 64 5 125 6 216 7 343 8 512 9 729 10 1000 Last Digits

Aptitude Shortcuts

### Shortcuts for Ratio and Proportion – 1

Shortcut 1: Direct proportion $\frac{a1}{a2}=\frac{b1}{b2}$ Question: Ratio between salary of Vijay and Badri is 2:3. If salary of Vijay is Rs. 1000, what is the salary of Badri? Answer: Assume a1 : a2 = 2 : 3 b1 = Vijay’ salary = 1000 b2 = Badri’s salary So, 2 : 3 = 1000 : b2 2/3 = 1000/b2   b2

Aptitude Shortcuts

### Short cuts to finding squares

Perfect squares: [mathjax] First we will see about finding the square root of perfect square with examples- Let we have to find the square root of the square 8281 1st of all I want you to remember the below table- The last digit of the perfect square The last digit of the square root 1

Aptitude Shortcuts

### Multiplication Shortcuts

Shortcut 1 Squaring of numbers ending with “5” 652= 65×65=4225 But how, There are two steps Put (5×5=25) in right side Then put {(6×6)+6}=42 in the left side Then we get 4225 Shortcut 2  If we have AB as a number so that B must be 5, then follow the below formula for easy remembering,

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