Bank clerk

How to find perfect and approximate square root of integers or decimals

Submitted by Atanu Chaudhuri on Tue, 11/12/2018 - 22:38

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For most needs of finding square root, if we remember by heart squares and cubes of a few common integers, using quick factorization we can figure out the square roots or cube roots of numbers be it integer or decimal. But occasionally, in a few specific types of arithmetic problems, there is no other option than to actually evaluate the square root of a number following a method specifically tailored for the purpose...

Bank Clerk level Solved question Set 3, surface and volume measurement Mensuration 1

Submitted by Atanu Chaudhuri on Tue, 30/10/2018 - 21:01

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This is the 3rd solved question set of 10 practice problem exercise for Bank Clerk level exams and the 1st on topic surface and volume measurement Mensuration. The set of 10 questions is followed by answers and then the detailed solutions explaining concepts used and how the problems could be solved quickly in mind with minimum writing...

How to solve difficult Time and Work problems in simpler steps, type 3

Submitted by Atanu Chaudhuri on Mon, 29/10/2018 - 16:30

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In a large number of math problems involving Time and Work, when more than one group of workers each comprising of a certain number of members, complete a job taking their own time, and the question is to find time taken by similar groups of workers but with different number of members, worker equivalence method invariably leads to much faster conceptual solution with greatly reduced calculation load...

Bank Clerk level Solved question Set 2, Work time 2

Submitted by Atanu Chaudhuri on Sun, 28/10/2018 - 02:29

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This is the 2nd solved question set of 10 practice problem exercise for Bank Clerk level exams and the 2nd on topic Work Time. The set of 10 questions is followed by answers and then the detailed solutions explaining concepts used and how the problems could be solved quickly in mind with minimum writing...

Bank Clerk level Solved question Set 1, Work time 1

Submitted by Atanu Chaudhuri on Fri, 26/10/2018 - 21:58

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This is the 1st solved question set of 10 practice problem exercise for Bank Clerk level exams and the 1st on topic Work Time. The set of 10 questions is followed by answers and then the detailed solutions explaining concepts used and how the problems could be solved quickly in mind with minimum writing...

How to solve arithmetic boundary condition problems in a few simple steps

Submitted by Atanu Chaudhuri on Thu, 10/05/2018 - 01:07

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A simple or compound event (consisting of more than one event) goes on happening systematically at regular intervals till a point just before the end. With each occurrence of the event problem parameters change. The end is reached before the full impact of the event along with the change can happen. This is the boundary to be found out before solving the problem...

How to solve Time and Work problems in simpler steps, type 2 brief

Submitted by Atanu Chaudhuri on Mon, 07/05/2018 - 19:14

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In 42 days 40 men complete a work. As it happened, instead of all of them working together to finish the job, they started working together, but at the end of every 10th day 5 men left. In how many days would then the work be completed? Rich time and work concept of Mandays technique along with natural number concepts deliver speedy solution...

How to solve Time and Work problems in simpler steps, type 1 brief

Submitted by Atanu Chaudhuri on Mon, 07/05/2018 - 02:42

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C and A can do a piece of work in 20 days, B and C in 24 days, and A and B in 30 days. B and C leave after three of them work together for 10 days. In how many more days would A complete the work? Using rich concept of Work rate technique and solving the problem as far as possible in mind, without writing anything on paper, results in within a minute solution...

How to solve in a few steps, Profit and loss problem 1 brief

Submitted by Atanu Chaudhuri on Sat, 05/05/2018 - 17:41

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A man sells two wrist watches one at a profit of 30% and another at a loss of 30%, but each at a same selling price of Rs.400. The net profit or loss is to be found out. This type of problem can be solved following clear steps based on basic and rich concepts of profit and loss within a minute with ease...

Basic and Rich Percentage Concepts for solving difficult SSC CGL problems

Submitted by Atanu Chaudhuri on Tue, 20/06/2017 - 22:38

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In business world, academics, Science and technology, or daily life, use of the concept of Percentage is ubiquitous and all-pervading. Because of its apparent simplicity though, this concept is taken for granted with not much emphasis on its elaboration and explanation....

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