# Study Notes

Aptitude Shortcuts

### Extended multiplication techniques

Extended multiplication techniques: Multiplying 2-digit number with same number in unit digit and ten‟s digit add up to 10: Example: (43×47) In this example unit digit is same i.e. 4. And (3+7=10). So, Answer: (3×7) =21 is in RHS. And {(4+1) ×4} =20 in LHS. So final answer is 2021 Multiplying 2-digit number with same

Bank Exams

### Urjit Patel becomes new RBI Governor

Urjit Patel, Reserve Bank of India (RBI) deputy governor, will take over as the central bank’s new head, ending two months’ speculation about Raghuram Rajan’s successor. “Urjit R Patel has been appointed as the new governor of Reserve Bank of India (RBI),” a finance ministry statement said on Saturday. Patel’s appointment can bring continuity to

Aptitude Shortcuts

### Shortcut of Partnership

Shortcut 11: [mathjax] $P_1:$$P_2:$$P_3$=$T_1I_1:$$T_2I_2:$$T_3I_3$ P1 : P2 : P3 = Ratio between profits T1, T2, T3 = Respective time of investment I1, I2, I3 = Respective investment Question: A started a business investing Rs. 5000. After 1 year B joined him investing Rs. 6000. After another year C joined them

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:

Bank Exams

### Area of a sphere – Graphical Explanation

Dear Readers, Area of sphere is = 4 r2 Here we see the graphical explanation to it,   The Area of a Sphere

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

General Awareness

### Sakshi Malik creates history, wins bronze medal in women’s freestyle 58 kg wrestling at Rio Olympics

Sakshi Malik became the first Indian woman wrestler to win an Olympic medal, as she clinched the bronze in the women’s freestyle 58 kg category early on Thursday IST in Rio de Janeiro. Malik beat Aisuluu Tynybekova of Kyrgyzstan in the bronze medal match 8-5 following a sensational comeback in the second period, after trailing

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