Blog: Archive for the “Uncategorized” Category

Yesterday, Manhattan GMAT posted a 700 level GMAT question on our blog. Today, they have followed up with the answer: To calculate the percent increase of any value, we use this formula: (New – Old)/Old. In other words, we subtract the original value (Old) from the increased value (New), then divide the result by the … Read More  

Yesterday, Manhattan GMAT posted a 700 level GMAT question on our blog. Today, they have followed up with the answer:

Each week Manhattan GMAT posts a 700 level GMAT question on our blog and follows up with the answer the next day. Are you up for the challenge? A survey was sent to 80 customers, 7 of whom responded. Then the survey was redesigned and sent to another 63 customers, 9 of whom responded. By … Read More  

Yesterday, Manhattan GMAT posted a 700 level GMAT question on our blog. Today, they have followed up with the answer: To solve this problem, you can’t let the strangeness of the jargon intimidate you. Rather, just accept the definition of the commutator without trying to understand it too much right away in the abstract; then plug … Read More  

Each week Manhattan GMAT posts a 700 level GMAT question on our blog and follows up with the answer the next day. Are you up for the challenge? For any operation ? that acts on two numbers x and y, the commutator is defined as x?y – y?x. For which of the following operations is … Read More