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Substitution technique

SSC CGL level Solution Set 89 on number system 11

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In this 89th solution set of 10 practice problem exercise for SSC CGL exam and 11th on topic Number System, a few of the problems especially on fractions should pose a bit of challenge to the student. Solutions are all concept and method based and mostly in mind. The problem solving approach should prove valuable to the students. Its paired question set can be used as a mini-mock test on number system, even for competitive tests other than SSC CGL...

Preparatory SSC CGL level Solutions on questions Set 1 on Trigonometry 1

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This is the 1st solution set of 10 preparatory level practice problem exercise for SSC CGL exam and 1st on topic Trigonometry. Students should complete the corresponding question exercise in prescribed time first and then only refer to this solution set. Some of these 10 questions may seem to be difficult at first glance...

How to solve a difficult SSC CGL level Profit and loss problem in a few steps 4

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Basic profit and loss concepts though are simple, which of the price values to be used as reference for applying profit or discount percentages sometimes create doubts. Further, the free offer concept and easily visible option for calculation of actual price values not only complicates the situation, but introduces harmful calculation delay...

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