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.
5 Practice Problem for AFCAT CDS NDA Exam: 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 
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)
