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Efficient problem solving

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...

SSC CGL Tier II level Solution Set 11, Trigonometry 2

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This is the 11th solution set of 10 practice problem exercise for SSC CGL Tier II exam and 2nd 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...

SSC CGL Tier II level Question Set 11, Trigonometry 2

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This is the 11th question set of 10 practice problem exercise for SSC CGL Tier II level exam and 2nd on topic Trigonometry. Students should complete this question exercise in prescribed time first and then only refer to the corresponding solution set. Some of these 10 questions may seem to be difficult at first glance...

Basic and rich concepts on Moving Escalator to solve difficult Speed Time and distance problems in a few steps

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Usually time and distance problems involve objects moving on fixed stationary ground base. When the base starts moving, an additional level of complexity is introduced. These are problem areas favorable for applying very basic relative speed concepts and arrive at solution in a few steps...

How a real life problem is solved - to buy or not to buy a new washing machine

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This was a simple act of domain mapping using abstraction. The nature of fault was generalized to body repair, detaching it from the domain of washing machines. We were now on the lookout for a reliable mechanic in the more general higher layer domain of metal body repair...

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