In profit and loss problems when price or profit changes by certain percentages, without calculating the actual changed values and just by using the change and its effect, solution can be achieved very fast. We would solve two problems on profit and loss to highlight the power of this technique...
In an analog clock the minutes hand moves faster than the hour hand and crosses it 22 times in a day, both going round and round over the clock face. In a typical clock problem, we are asked to find the angle between the two clock hands at a specific time...
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...
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 is explained by solving selected time and work problems with groups of men and women working.
10 Simple interest questions Compound interest questions to solve in 15 minutes. Verify correctness from answers. Learn to solve quickly from solutions.
Learn to solve 10 Time and Work Problems in SSC CGL Solutions Set 72 in 15 mins. Time and work and Time work wages problems are selected to test you well.
10 Time and Work Problems in SSC CGL Questions Set 72 to solve in 15 minutes. Verify correctness from answers. Learn how to solve from solutions.
Learn to solve 10 number system questions for SSC Set 71 in 15 minutes using basic concepts and advance problem solving techniques. But take the test first.
Solve 10 number system questions for SSC in 15 minutes. Verify correctness from answers. Learn to solve quickly from paired solution set.
