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5 Practice Problem for AFCAT CDS NDA Exam: Topic Arithmetic

Arithmetic is a branch of mathematics that consists of the study of numbers, especially the properties of the traditional operations between them—addition, subtraction, multiplication and division, In this article we...

Arithmetic is a branch of mathematics that consists of the study of numbers, especially the properties of the traditional operations between them—addition, subtraction, multiplication and division, In this article we will share 5 Practice Problem for AFCAT CDS NDA Exam: Topic Arithmetic.

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5 Practice Problem for AFCAT CDS NDA Exam: Topic Arithmetic

TOPIC ARITHMETIC

Q. The set of natural number is closed under

I.      Addition
II.     Subtraction
III.    Multiplication
IV.    Division

Which of the above is/are correct?

  • Only I
  • I and III
  • I, II and III
  • III and IV

Q. Consider the following statements

I.     Every integer is a rational number
II.    Every rational number is a real number

Which of the above statements is/are correct?

  • Only I
  • Only II
  • Both I and II
  • Neither I nor II

Q. Which of the following is neither a prime number nor a composite number?

  • 1
  • 2
  • 3
  • none

Q. Consider the following statements

I.     If n is a prime number greater than 5,then «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«msup»«mi»n«/mi»«mn»4«/mn»«/msup»«mo»-«/mo»«mn»1«/mn»«/math» is divisible by 2400
II .   Every square number is of the form 5n or (5n – 1) or (5n + 1), where n is a whole number?

Which of the above statement is/or correct?

  • Only I
  • Only II
  • Both I and II
  • Neither I nor II

Q. The pair of numbers which are relatively prime to each other is

  • (68,85)
  • (65,91)
  • (92,85)
  • (102,153)

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