Questions in the analytical reasoning section test your ability to analyze the situation, reason the cause/ effect and then find a solution. While questions in most of the competitive exams have options with them, but sometimes, we are not presented with options. A lot of effort is in identifying the options or creating them. What works best in such Analytical Reasoning questions is what we call as a trial and error strategy.
What is Trial and Error Strategy?
Try something (Guess), if it does not work, guess again. Over time, our guesses become more 'educated' - and we tend to require fewer trials to reach our solutions.
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Solved Data Sufficiency Questions
Example 1: What is the value of x?
Solution: 44 people live in eight houses (3 on each side of the Albert Square). Each house has a different number of people living in it. Each line of three houses has 15 people living in it. How many people live in each house?
Solution: Simplifying, we have to get 4 sets of numbers, each of which add up to 15. So start guessing.The average number of people in a house is 44/8 is roughly 4.5. So what numbers should we take? 2, 3, 4, 5, 6, 7, 8, 9. Now, we should also have an average close to 5 for each set. Let's start:
Analytical Reasoning Practice Question
Mrs. Choy spent exactly Rs. 10 on 100 eggs for her shop. Large eggs cost her 50 p each. Medium eggs cost her 10 p each. Small eggs cost her 5 p each. For two of the sizes, she bought the same number of eggs. How many of each size did she buy?
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Analytical Reasoning - Trial and Error Strategy: Key Learning
Even before guessing the answer, it is important to carefully understand the statement and then narrow down to a set of numbers/ options. These options/ numbers will form a base for using the trial and error strategy.
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