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How to solve difficult SSC CGL Profit and loss problems in a few steps 3

Submitted by Atanu Chaudhuri on Thu, 07/07/2016 - 13:51

thumb_How to solve difficult SSC CGL profit loss problems in a few steps 3

Usually profit and loss problems do not come difficult, variations are few and with a bit of grounding on concepts you can solve any of this category of problems easily. That's why this one surprised us. At the first glance there seemed to be too many variables and the problem unsolvable. But when we looked deeper we discovered the clues to elegant solution one by one...

How to solve Arithmetic problems on Work-Time, Work-Wage and Pipes-Cisterns

Submitted by Atanu Chaudhuri on Thu, 30/06/2016 - 09:47

thumb solve work time work wage and pipes cisterns

Different persons or types of persons complete the same work in different number of days as their work capacities are different. For example, a boy may complete a work in 6 days while a man may complete the same work in 3 days. In work-wage problems these work rates become important as the working agents receive wages in ratio of their work capacities. Finally, in pipes and cisterns problems similar working agents come into action in the form of pipes but they receive no wages...

HCF and LCM

Submitted by Atanu Chaudhuri on Thu, 14/04/2016 - 08:30

thumb_hcf and lcm

Highest Common Factor or HCF is the largest factor that divides two or more numbers under consideration. It is the largest among all the factors common to the set of numbers under consideration. The LCM is the smallest number that is divisible by the set of given numbers. In other words, LCM is the least common multiple of the set of given numbers...

Permutation and combination

Submitted by Atanu Chaudhuri on Tue, 18/11/2014 - 02:10

thumb_permutation and combination

Permutation and combination deal with choice and arrangement of a set of objects out of a second set of objects. Permutation deals with such questions as, how many ways can the three letters a, b and c be arranged? In each such permutation or arrangement, ordering is important. On the other hand, Combination deals with such questions as, how many ways can you choose a captain and vice-captain out of a cricket team of 11 players? In a combination, ordering of the elements chosen is not important...

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