2 Important Remainder Results | Remainders of Sum & Product | GMAT Number Properties Lesson #18

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Must Watch Video Result 1: Remainder of sum of numbers = sum of remainders of numbers. Result 2: Remainder of product of numbers = product of remainders of the numbers Key Questions Answered in this video: 1. Can the remainder of dividing a number by a divisor ‘d’ be...

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Number of Ways of Expressing a Number as a Product of Two Co Prime Numbers | GMAT Numbers Lesson #17

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Formula, method and derivation to find the number of ways in which a positive integer can be expressed as a product of two co prime factors. Factors that are relatively prime to each – i.e., two factors whose HCF is 1. The Method Step 1: Prime factorize the given...

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GMAT Statistics Lesson Video #5 | Standard Deviation | Method and Properties

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GMAT Online Preparation | GMAT Standard Deviation | Theory and Practice This one is a long video. This GMAT SD video is structured as follows 1. How to find standard deviation? Method 1 to find SD 2. Alternative method to find standard deviation. Verifying that the SD obtained in...

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GMAT Averages & Number Properties Practice #8 | Place Values of Numbers | 700 Level

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GMAT Online Course | GMAT Statistics & Number Properties Practice #8 A 700 level GMAT problem solving practice question that covers concepts in averages and number properties, specifically place value of numbers. Question Aaron was asked to calculate the arithmetic mean of 10 positive integers each of which had...

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GMAT 650 to 680 level Averages Practice #6 | Average After One Element Is Removed

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GMAT Online Preparation | GMAT Quant | Statistics & Arithmetic Mean Practice #6 The concept tested in this question also is comparing averages of a set of data before and after an element is removed. The question is a notch more difficult than practice question #5 https://youtu.be/pWTpUzOQ-BM Unlike as...

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GMAT Average Practice #2 | Average of a Set and its Subset | 600 to 650 level PS Question

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GMAT Preparation Online | GMAT Statistics & Averages Practice Question #2 A 600 to 650 level problem solving question that features as part of the GMAT Online Course for quant. The question can be solved and is solved using the standard framework outlined in the lesson videos in this...

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GMAT SICI Practice #8 | Simple and Compound Interest Combined Question 1 of 3

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GMAT Online Course | GMAT Interest Practice Question | 650 to 700 Level Question This is the 1st of the 3 questions that combines simple and compound interest concepts. Simple interest and compound interest on a sum of money at the same rate for two years is provided. The...

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GMAT Compound Interest Practice Question #5 | Compounding More Than Once a Year

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GMAT Online Course | GMAT Quant Practice Question #5 | Compound Interest How to compute compound interest and amount if we compound more than once a year? The video provides solution through an iterative process and also using a formula modified for compounding more than once a year. Question...

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GMAT Mixtures | Removing & Replacing Formula | Practice Question #8

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GMAT Online Course | GMAT Ratio Mixtures | Theory & Practice Formula to compute the final ratio of elements in a mixture when a part of the mixture is removed and replaced with one of the elements and the process is repeated. The number repetition tested in the GMAT...

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GMAT Mixtures Practice Question #7 | 2 Mixtures of Equal Volume | 650 Level Word Problem

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GMAT Ratio Mixtures Practice Question #7 | Online GMAT Course A 650 level GMAT problem solving word problem in Mixtures and Ratio. Two mixtures of two elements of different proportion are mixed in equal proportion. The objective is to find the proportion of the elements after mixing. The question...

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