#1
28th April 2016, 01:47 PM
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GMAT Number Theory
Can you provide me some questions for preparation of GMAT or Graduate Management Admission Test Math - Number Theory section as my friend will be giving the exam this time?
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#2
28th April 2016, 01:47 PM
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Re: GMAT Number Theory
Number Theory is concerned with the properties of numbers in general, and in particular integers. GMAT deals with only Real Numbers: Integers, Fractions and Irrational Numbers. Some questions for preparation of GMAT or Graduate Management Admission Test Math - Number Theory section are as follows: If both 112 and 33 are factors of the number a * 43 * 62 * 1311, then what is the smallest possible value of a? 121 3267 363 33 None of the above How many different positive integers exist between 106 and 107, the sum of whose digits is equal to 2? 6 7 5 8 18 A number when divided by a divisor leaves a remainder of 24. When twice the original number is divided by the same divisor, the remainder is 11. What is the value of the divisor? 13 59 35 37 12 How many keystrokes are needed to type numbers from 1 to 1000? 3001 2893 2704 2890 None of these When 242 is divided by a certain divisor the remainder obtained is 8. When 698 is divided by the same divisor the remainder obtained is 9. When the sum of the two numbers 242 and 698 is divided by the divisor, the remainder obtained is 4. What is the value of the divisor? 11 17 13 23 None of these How many integral divisors does the number 120 have? 14 16 12 20 None of these How many trailing zeros will be there after the rightmost non-zero digit in the value of 25! (factorial 25)? 25 8 6 5 2 What is the remainder when 1044 * 1047 * 1050 * 1053 is divided by 33? 3 27 30 21 18 Data Sufficiency : Is x3 > x2 ? x > 0 x < 1 Data Sufficiency : Is x/y a terminating decimal? x is a multiple of 2 y is a multiple of 3 Data Sufficiency : Is the positive integer X divisible by 21? When X is divided by 14, the remainder is 4 When X is divided by 15, the remainder is 5 Data Sufficiency : If x and y are positive integers, is y odd? x is odd. xy is odd. Data Sufficiency : Is xy < 0? 5|x| + |y| = 0 |x| + 5|y| = 0 Data Sufficiency : When a positive integer 'x' is divided by a divisor 'd', the remainder is 24. What is d? When 2x is divided by d, the remainder is 23. When 3x is divided by d, the remainder is 22. Data Sufficiency : How many of the numbers x, y, and z are positive if each of these numbers is less than 10? x + y + z = 20 x + y = 14 |