GRE Math Bible


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For an average student with little Mathematics background, going through the Manhattan six books would not get them a score between and on the GRE. But instead they will only be able to score in the range of to Actual GRE math questions are much harder than them. Assalam u Alaikum.. Sir is there any current scholarship opportunity for M. I have done M. I have an engineering background and a solid grasp on Maths concepts. My English is an average level. I would like to ask you that which one of the following 2 study routes would be a better option. Sir, do you still have those Manhattan guide copies?

I do but they are in hard form and for my own use. You can get new ones in about 15 days for 25, PKR. Do you have some suggestions about that? As you would know, it is quite expensive to buy these books. I am not from Pakistan, and even though there are many training centres in my country for standardised exams, I have found your Website to be professional and helpful. Does this imply that admission-committees in U. Depends on your level actually — before you plan to prepare for GRE, give a diagnostic test to evaluate your current level.

Could you please tell me combination of those books which will help me for my preparation. GRE consists of three section, which section needs more time. I wish to give my GRE but honestly know not much about it. I wish to apply for Phd in my previous field Sociology. I have already done MSc in Sociology. Then started working. But i wish to start again. I might be getting the pirated ones from Pakistan but please guide me. My Maths never had been that great so should i order the above mentioned 4 books or do i need some more or less.

Thanking you in advance. It will take some serious time dedication and may reduce time given to Manhattan 5lb book. I have very minimum time for the preparation of gre exam. Hi Talha, Hope to see you smiling. My CGPA was 3. But does it get me any where? I took GRE this year in feb but scored an average , with in each section and 3 in analytical. I prepared for about 2. WAS Malik — yes these two along with the Manhattan 8 guides are really good to prepare from! Hi Sir, im Mphil biotechnology currently living in KSA i wanna join ur GRE july session as we will visit pakistan then , i want apply for Phd scholarships please tell me when should i need to register myself and will u give ur own notes or have to buy these books u recommended?

Hello Anam — Just fill the form on this page and you do not need to buy any books etc. In sessions offered by Brightlink what kind of stuff is provided to students for preparation? Hello Ahmad, We provide 12 mock exams, weekly quizzes timed for both verbal and quant, and assignments weekly with questions.

We do not recommend any books for prep along with this course. So, Kindly recommend me books for Quantitative section and Verbal section as well. Mr Talha I must say you are a great man. Currently I am studying Barrons 20th edition. My maths background is good. Kindly suggest another book which can really take me nearer to the real GRE test.

I have 1. I think U not right …Nova contains many maths in ratio proportion chapter, geometry chap and percentage chapter which u could not find even in 5LB book , I would recommend all to do NOva, its mother of all gre quant book. I have recently done my Masters in Chemistry and now want to apply for F. I shall be v thankful to you! Umar — GRE general test is required for Fulbright. Application fee is USD and test prep fee is 25, PKR — You should first try and prepare on your own and then join any academy if you have issues.

I wonder if I would ever be able to pass maths portion I am pretty good with language though but maths worries me. Is there something you could recommend me? Your email address will not be published. Talha, is there any store online In Pakistan where Manhattan Guides — 4th edition books are available , i found non in Islamabad?

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Talha Omer March 5, at am. Talha Omer March 12, at am. Talha Omer April 17, at am. Ijaz May 9, at am. Umer Anwer May 17, at am. Talha Omer May 21, at am. Muaaz May 22, at am. Furthermore , if you have an idea , kindly tell where can I get these books? Best Regards, Muaaz Tahir. Number Theory 41 Medium 9.

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Column A X is a 3-digit number and Y is a 4- digit number. All the digits of X are greater than 4, and all the digits of Y are less than 5. Column A Column B The least number divisible by 2, 3, 4, 5, and 6 The least number that is a multiple of 2, 3, 4, 5 and 6 The number 3 divides a with a result of b and a remainder of 2. The number 3 divides b with a result of 2 and a remainder of 1. What is the value of a? The remainder when the positive integer m is divided by 7 is x.

Which one of the following could m equal? Which one of the following choices does not equal any of the other choices? Each of the two positive integers a and b ends with the digit 2. With which one of the following numbers does a — b end? Column A x is a two-digit number. The digits of the number differ by 6, and the squares of the digits differ by Column B x 60 If each of the three nonzero numbers a, b, and c is divisible by 3, then abc must be divisible by which one of the following the numbers? How many positive five-digit numbers can be formed with the digits 0, 3, and 5?

If n is a positive integer, which one of the following numbers must have a remainder of 3 when divided by any of the numbers 4, 5, and 6? Column A Column B Least common multiple of the two positive integers m and n mn The number is divisible by both 6 and 8. Which one of the following is the first integer larger than that is also divisible by both 6 and 8?

A B C D E If the least common multiple of m and n is 24, then what is the first integer larger than that is divisible by both m and n? Column A Column B The first number larger than that is a multiple of both 6 and 8 Column A a, b, and c are consecutive integers in increasing order of size. Number Theory 43 How many 3-digit numbers do not have an even digit or a zero? Column A The digits of a two-digit number x differ by 4.

Column B The positive difference between the squares of the digits of x 15 Hard Which one of the following is the minimum value of the sum of two integers whose product is 36? Column A m and n are two positive integers. Column B m n Column B The positive two-digit number ab The positive two-digit number ba Which one of the following numbers was deleted? A set has exactly five consecutive positive integers starting with 1.

What is the percentage decrease in the average of the numbers when the greatest one of the numbers is removed from the set? What is the maximum value of m such that 7m divides into 14! Column A A palindrome number is a number that reads the same forward or backward. For example, is a palindrome number.

Column B Smallest palindrome number greater than Smallest palindrome greater than Very Hard The positive integers m andn leave remainders of 2 and 3, respectively, when divided by 6. What is the remainder when m — n is divided by 6? Number Theory 45 Which one of the following expressions is not odd?

How many positive integers less than can be formed using the numbers 1, 2, 3, and 5 for the digits? What is the remainder when 37 is divided by 8? Column A The positive integers m and n leave a remainder of 2 and 3, respectively, when divided by 6. We are given that x is divisible by 3 and 4. Hence, x must be a common multiple of 3 and 4. The least common multiple of 3 and 4 is So, x is a multiple of Numbers ending with 0, 1, 5, or 6 will have their squares also ending with the same digit. Among the four numbers 0, 1, 5, or 6, even numbers only end with 0 or 6. Choice D has one such number.

A number divisible by 2 ends with one of the digits 0, 2, 4, 6, or 8. If a number is divisible by 3, then the sum of its digits is also divisible by 3. Hence, a number divisible by both 2 and 3 will follow both of the above rules. Choices A and C do not end with an even digit.

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Hence, eliminate them. Also, the last digit is 6. Hence, choice B is correct. Hence, reject the two choices. A prime number is divisible by no other numbers, but itself and 1. Since the number of primes in each column is 1, the answer is C. The product of more than two primes. The smallest prime number greater than 21 is 23, and the largest prime number less than 16 is Suppose b equals 0. Here, Column A is less than Column B, which equals Now, suppose b equals 1. Here Column A is greater than Column B, which equals Hence, we have a double case, and the answer is D.

Number Theory 47 8. The last digit of the number in Column A is 2, and the last digit of the number in Column B is also 2. Hence, both numbers raised to the same power here 56 should end with the same digit. So, should end with the same digit as Medium 9. Now, p is a positive integer only when 0. Now, 0. This happens only when q is a multiple of Any of these values is greater than Column A: Since all the digits of the 3-digit number X are greater than 4, each digit must be greater than or equal to 5. Column B: Since all the digits in the 4-digit number Y are less than 5, each digit must be less than or equal to 4.

Also, the minimum value of the sum of the digits of a 4-digit number is 1 for example, for , the sum of the digits is 1. Hence, we cannot know which column is greater. Any number that is divisible by the five numbers 2, 3, 4, 5, and 6 must also be a multiple of all five numbers. So, Column A refers to the set of numbers that are divisible by 2, 3, 4, 5, and 6 and Column B refers to the set of numbers that are a multiple of 2, 3, 4, 5 and 6 refer to the same set. Hence, the least values of the two columns are the same. Accept the choice. Reject choices A and B.

Reject choice C. Reject choice D. Since each of the two integers a andb ends with the same digit, the difference of the two numbers ends with 0. Suppose a and b are the two digits of the number x, and let a represent the greater of the two. Hence, the two digits are 2 and 8.


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  8. They can be arranged in any order. Hence, 28 and 82 are two feasible solutions. Now, 28 is less than Column B, and 82 is greater than Column B. Since each one of the three numbers a, b, and c is divisible by 3, the numbers can be represented as 3p, 3q, and 3r, respectively, where p, q, and r are integers.

    GRE Math Bible by Jeff Kolby and Derrick Vaughn (2008, Paperback)

    Since p, q, and r are integers, pqr is an integer and therefore abc is divisible by Let the digits of the five-digit positive number be represented by 5 compartments: Each of the last four compartments can be filled in 3 ways with any one of the numbers 0, 3 and 5. The first compartment can be filled in only 2 ways with only 3 and 5, not with 0, because placing 0 in the first compartment would yield a number with fewer than 5 digits. Let m be a number that has a remainder of 3 when divided by any of the numbers 4, 5, and 6. Then m — 3 must be exactly divisible by all three numbers.

    Hence, m — 3 must be a multiple of the Least Common Multiple of the numbers 4, 5, and 6.

    Hence, the answer is E. Hence, correct.

    Number Theory 49 Suppose the two positive integers m andn do not have a common factor, apart from 1. Then the LCM of m and n is mn. Now, suppose the two integers m and n have at least one common factor other than 1. Then the LCM uses the common factors only once, unlike mn. Hence, the LCM is less than mn.

    Here, m and n have 2 as a common factor. The LCM did not use the underlined 2 in the evaluation. Hence, here, Column A is less than Column B. Since this is a double case, the answer is D. Any number divisible by both 6 and 8 must be a multiple of the least common multiple of the two numbers, which is Hence, any such number can be represented as 24n. Any number divisible by both m and n must be a multiple of the least common multiple of the two numbers, which is given to be The first multiple of 24 greater than is The least common multiple of 6 and 8 is Hence, a multiple of both 6 and 8 must also be a multiple of We know that a multiple of 24 exists once in every 24 consecutive numbers.

    There are 5 digits that are not even or zero: 1, 3, 5, 7, and 9. The first digit of the number can be filled in 5 ways with any one of the mentioned digits. Similarly, the second and third digits of the number can be filled in 5 ways. Since the digits of the number differ by 4, the number can be any one of the numbers 15, 26, 37, 48, and 59 or any one of their reverse numbers.

    Hence, Column A is a number between 24 and 56, inclusive, and therefore is always greater than 15, the value of Column B. Hard We are given that the values of both x and y lie between and not including the two. Hence, Column A is greater and the answer is A. Number Theory 51 Hence, Column A is 27 units less than Column B. The term 14!

    Only two of these numbers are divisible by 7. The numbers are 7 and Hence, 14! Now, since there are two 7s in 14! Hence, the maximum value of m is 2. A palindrome number reads the same forward or backward. There is no palindrome number between through since none of the numbers read the same both forward and backward. Hence, the palindrome number immediately after is the same as the palindrome number immediate after We have that the number 2ab5 is divisible by Any number divisible by 25 ends with the last two digits 00, 25, 50, or So, b5 should equal 25 or Since a is now free to take any digit from 0 through 9, ab can have multiple values.

    We also have that ab is divisible by The multiples of 13 are 13, 26, 39, 52, 65, 78, and Among these, the only number ending with 2 or 7 is We are given that the numbers m and n, when divided by 6, leave remainders of 2 and 3, respectively. Here, p and q are integers. The number immediately before 56 that is divisible by 6 is Number Theory 53 Then b, the integer following a, must be odd, and c, the integer following b, must be even. Hence, the product ab is an even number. Then c must also be odd, being a number 2 more than a. Hence, ac is the product of two odd numbers and must therefore be odd.

    Now, d is the integer following c and must be even. Then both c and e must also be odd. Now, ac is product of two odd numbers and therefore must be odd. Summing this with another odd number e yields an even number. Now, suppose a is an even number. Then both c and e must also be even. A number less than will be 1 a single-digit number, or 2 a double-digit number, or a 3 triple- digit number with left-most digit less than 5. Let the compartments shown below represent the single, double and three digit numbers. The compartment for the single-digit number can be filled in 4 ways with any one of the numbers 1, 2, 3, and 5.

    Each of the two compartments for the double-digit number can be filled in 4 ways with any one of the 4 numbers 1, 2, 3, and 5 each. Regarding the three-digit number, the left most compartment can be filled in 3 ways with any one of the numbers 1, 2, and 3. Each of the remaining two compartments can be filled in 4 ways with any one of the numbers 1, 2, 3, and 5 each.

    The number immediately before 27 that is divisible by 8 is Compartments for triple-digit number. Number Theory 55 Hence, Column A equals 5. Since both columns equal 5, the answer is C. This is good news because they are the easiest problems to improve on. Generally, quantitative comparison questions require much less calculating than do multiple-choice questions.

    But they are trickier. Substitution is very effective with quantitative comparison problems. But you must plug in all five major types of numbers: positives, negatives, fractions, 0, and 1. Caution: This cannot be done if the term can ever be negative or zero. Therefore, all the rules that apply to solving inequalities apply to quantitative comparisons. That is, you can always add or subtract the same term to both columns of the problem.

    If the term is always positive, then you can multiply or divide both columns by it. The term cannot be negative because it would then invert the inequality. And, of course, it cannot be zero if you are dividing. If there are only numbers i. More information about this seller Contact this seller. Book Description PowerScore Publishing. Seller Inventory NEW Brand New!. Seller Inventory VIB Victoria Wood. Publisher: Powerscore Pub. This specific ISBN edition is currently not available. View all copies of this ISBN edition:. Buy New Learn more about this copy.

    GRE Math Bible GRE Math Bible
    GRE Math Bible GRE Math Bible
    GRE Math Bible GRE Math Bible
    GRE Math Bible GRE Math Bible
    GRE Math Bible GRE Math Bible

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