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- The difference between the compound interest and simple interest on a certain sum for two years is equal to the simple interest calculated for one year on one year's simple interest.
- Diversify your reading to different topics to reduce the challenge of attempting passages in the exam. Pick up topics that you have not read before and/or are your weak areas.
- Sometimes in Data Sufficiency questions, if you see "two equations - two variables" case, do not conclude that the data is sufficient. We have to make sure that the two equations are neither same nor do they form an inconsistent system of equations.
- In fill-in-the-blank questions, be on the lookout for wrong options that are the exact opposite of the correct one. This is especially relevant when under time pressure, or when the words are of very high difficulty level.
- While calculating the weighted average, the ratios of the weights can be used instead of using the actual weights. Also if the weights are equal then the weighted average is same as the simple average.
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