Number Systems, Number Theory - CAT 2013 Sample Math practice questions & Answers - Ascent Education : MBA Entrance Preparation

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You are here: Home   CAT, XAT, TANCET, PGSEM Test Prep Questions Answers   Number Theory & Number Systems

Number System and Number Theory Question Bank

Number system and Number Theory questions that appear in PGSEM, XAT, CAT, TANCET
A collection of questions that typically appear in the Common Admission Test (CAT) from the topic Number Theory. These questions will guide you through your CAT and other MBA entrance exam preparation.
  1. Question 1   If both 112 and 33 are factors of the number a * 43 * 62 * 1311, then what is the smallest possible value of 'a'?

  2. Question 2   Find the largest five digit number that is exactly divisible by 7, 10, 15, 21 and 28.
    Correct Answer and Solution

  3. Question 3   Anita had to do a multiplication. Instead of taking 35 as one of the multipliers, she took 53. As a result, the product went up by 540. What is the new product?

  4. Question 4   Let x, y and z be distinct integers. x and y are odd and positive, and z is even and positive. Which one of the following statements cannot be true?
    Explanatory Answer

  5. Question 5   When a number is divided by 36, it leaves a remainder of 19. What will be the remainder when the number is divided by 12?

  6. Question 6   The sum of the first 100 natural numbers, 1 to 100 is divisible by
    Correct Answer and Explanation

  7. Question 7   How many different factors does 48 have, excluding 1 and 48?

  8. Question 8   1025 - 7 is divisible by

  9. Question 9   Find the G.C.D of 12x2y3z2, 18x3y2z4, and 24xy4z3

  10. Question 10   What is the value of M and N respectively? If M39048458N is divisible by 8 & 11; Where M & N are single digit integers?

  11. Question 11   48 students have to be seated such that each row has the same number of students as the others. If at least 3 students are to be seated per row and at least 2 rows have to be there, how many arrangements are possible?

  12. Question 12   If two fractions, each of which has a value between 0 and 1, are multiplied together, the product will be:
    TANCET 2008 : Solution

  13. Question 13   Three Vice Presidents (VP) regularly visit the plant on different days. Due to labour unrest, VP (HR) regularly visits the plant after a gap of 2 days. VP (Operations) regularly visits the plant after a gap of 3 days. VP (sales) regularly visits the plant after a gap of 5 days. The VPs do not deviate from their individual schedules. CEO of the company meets the VPs when all the three VPs come to the plant together. CEO is on leave from January 5th to January 28th, 2012. Last time CEO met the VPs on January 3, 2012. When is the next time CEO will meet all the VPs?
    XAT 2012 - 1 Mark : Solution

  14. Question 14   How many divisors does 7200 have?

  15. Question 15   What is the highest power of 7 that can divide 5000! without leaving a remainder? (5000! means factorial 5000)

  16. Question 16   'a' and 'b' are the lengths of the base and height of a right angled triangle whose hypotenuse is 'h'. If the values of 'a' and 'b' are positive integers, which of the following cannot be a value of the square of the hypotenuse?

  17. Question 17   If x, y, z are chosen from the three numbers, -3, 1/2 and 2, what is the largest possible value of the expression (x/y)z^2z2?
    TANCET 2008 : Explanatory Answer

CAT, XAT, TANCET Practice Questions and Answers : Listed Topicwise


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