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You are here: Home / Archives for Quant Questions / Arithmetic

GMAT Arithmetic Theory & Practice Questions

Permutation and Divisiblity

May 10, 2017 By K S Baskar Leave a Comment

Permutation and Divisiblity

An interesting GMAT problem solving practice question that combines two topics - counting methods and elementary number properties related to divisibility of numbers by 4. Question How many five digit positive integers comprising only the digits 1, 2, 3, and 4, each appearing at least once, exist such that the number is divisible by 4?120 24 72 60 … [Read more...] about Permutation and Divisiblity

GMAT Number Properties LCM HCF

March 27, 2014 By K S Baskar 1 Comment

GMAT Number Properties LCM HCF

An interesting GMAT Problem Solving question from Number Properties & Number Theory. It tests your understanding of LCM and HCF and certain key results regarding LCM and HCF of two or more numbers.QuestionIf the LCM of two numbers a and b is 1104 and their HCF is 4, which of the following MUST be true?I. a * b = 4416 II. a and b are both divisible by … [Read more...] about GMAT Number Properties LCM HCF

Simple Number Properties Question

March 27, 2014 By K S Baskar 1 Comment

If the integer N = 139,k50 where k is the hundreds digit, N can NEVER be divisible by which of the following?A. 2B. 3C. 4D. 6E. 9 … [Read more...] about Simple Number Properties Question

GMAT Mixtures – Problem Solving Question

March 17, 2014 By K S Baskar 3 Comments

60% of the students in a class are instate students. 60% of the students in the class are women. If there are twice as many instate men in the class as are instate women, and the number of instate men exceeds instate women by 12, how many more women in the class are not instate women?A. 12B. 60C. 48D. 24E. 0 … [Read more...] about GMAT Mixtures – Problem Solving Question

Data Sufficiency : Number Properties and Probability

March 17, 2014 By K S Baskar 1 Comment

A Data Sufficiency Question - Number properties and ProbabilitySet A contains distinct integers: A = {2,4,6,-8,x,y}. When two numbers from this set are picked and multiplied, what is the probability that the product is less than zero?(1) x*y is not equal to zero.(2) |x| = |y|Correct Answer is choice B. Statement 2 alone is sufficient.Explanatory AnswerAlternatively, here is the … [Read more...] about Data Sufficiency : Number Properties and Probability

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