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  • Question
  • If x / y is an integer, which of the following statements need NOT always be true?


  • Options
  • A. both x and y are integers
  • B. only x is a integer
  • C. both are negative
  • D. none

  • Correct Answer
  • both x and y are integers 

    Explanation

    In case (A), x and y could, for example, both be equal fractions and x/y would be an integer.

  • Tags: GRE

    Numbers problems


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    • 1. If a positive integer n, divided by 5 has a remainder 2, which of the following must be true?

    • Options
    • A. n is odd
    • B. n + 1 cannot be a prime number
    • C. (n + 2) divided by 7 has remainder 2
    • D. n + 3 is divisible by 5
    • Discuss
    • 2. 854*854*854-276*276*276854*854+854*276+276*276=?

    • Options
    • A. 546
    • B. 578
    • C. 607
    • D. None of these
    • Discuss
    • 3. What is the value of (91 + 92 + 93 + ......... +140)?

    • Options
    • A. 5775
    • B. 11550
    • C. 17325
    • D. 23100
    • Discuss
    • 4. Which of the following is equivalent to 0.565656...?

    • Options
    • A. 56/100
    • B. 56/1000
    • C. 56/99
    • D. 560/90
    • Discuss
    • 5. Find the regular polygon whose interior angel is 150 more than exterior angle. note the total sum of interior and exterior angle should be 180 at one point ?

    • Options
    • A. 12
    • B. 24
    • C. 36
    • D. 6
    • Discuss
    • 6. If you write down all the numbers from 1 to 100, then how many times do you write 4 ?

    • Options
    • A. 11
    • B. 20
    • C. 17
    • D. 14
    • Discuss
    • 7. Two bus tickets from city K to L and three tickets from city K to M cost Rs. 77, but three tickets from city K to L and two tickets from city K to M cost Rs. 73. What are the fares for cities L and M from K ?

    • Options
    • A. Rs. 13 and Rs. 17
    • B. Rs. 17 and Rs. 19
    • C. Rs. 23 and Rs. 17
    • D. Rs. 13 and Rs. 19
    • Discuss
    • 8. In math questions answers each questions are solved with explanation. The questions are based from different topics. Care has been taken to solve the questions in such a way that students can understand each and every step 1. Which is greater than 4? (a) 5, (b) -5, (c) -1/2, (d) -25.

    • Options
    • A. 5
    • B. 20
    • C. 2
    • D. 3
    • Discuss
    • 9. Which is the correct ascending order of the given numbers?

    • Options
    • A. 1/3, 4/15, 0.33
    • B. 1/3, 0.33, 4/15
    • C. 4/15, 0.33, 1/3
    • D. 0.33, 4/15, 1/3
    • Discuss
    • 10. What will come in place of the question mark in the series below? 7, 4.5, 5.5, 12, 49, ?

    • Options
    • A. 393
    • B. 396
    • C. 354
    • D. 367
    • Discuss


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