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Number System T...

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  • Question 1
    1 / -0

    If n is any integer, which of the following statements is true?

  • Question 2
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    Find the number of pairs of natural numbers with LCM equal to 56.

  • Question 3
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    There are 5 consecutive natural numbers with L.C.M. 60. The product of the first two numbers is equal to the 5th number. What is the sum of the numbers?

  • Question 4
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    The numbers a and b have prime factors as 2 and 3 and their ratio b/a is 36. Which of the following statements is true?

  • Question 5
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    In a division, the remainder was 71. With the same divisor, but twice the dividend, the remainder is 43. Which of the following numbers is the divisor?

  • Question 6
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    If n is a natural number, n4 + n2 + 1 is

  • Question 7
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    Two out of six papers for an examination are of physics. What are the number of ways in which the papers can be arranged so that two physics papers are not together?

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