Posted in CSAT Quiz CSAT Practice questions – Number System 4 November 4, 2023 Leave a comment 1. Consider the following statements regarding two prime numbers p and q greater than 3, and a composite number c. Statement 1: p × q cannot be an even number Statement 2: p × q × c will never have any zeroes at the end Statement 3: (p ×q)/c can never be an integer How many of the above statements are correct? a) None of the statements b) Only one statements c) Two statements d) All three statements 2. ‘x’ and ‘y’ are non-zero integers, and x-y is a negative number. Then which of the following is definitely true? a) When x is negative, y must be also be negative b) When x is positive, y must be negative c) When x is negative, y must be positive d) When x is positive, y must also be positive 3. The sum of a two digit number ‘X’ and the number formed by reversing its digits is 77. Then how many values of ‘X’ are possible? a) 3 b) 4 c) 7 d) 8 4. Consider the following statements regarding four distinct single digit positive integers p, q, r and s. Statement 1: Minimum value of (p+q) × (r+s) is 21 Statement 2: Maximum value of (p+q+r) × s is 189 Which of the above statements are correct? a) Only 1 b) Only 2 c) Both 1 and 2 d) Neither 1 nor 2 5. Consider the following statements and question given below: Question: What is x? Statement 1: x is a an integer between 25 and 30 Statement 2: x is a prime number Which one of the following is correct in respect to Question and the statements? a) Statement 1 alone is sufficient to answer the question b) Statement 2 alone is sufficient to answer the question c) Both statement 1 and statement 2 are required to answer the question d) Both Statement 1 and statement 2 are not sufficient to answer the question. 6. Consider the following statements with respect to a prime number ‘p’ and composite number ‘c’ Statement 1: can be an integer Statement 2: p × c can be an even number Statement 3: p – c can be a prime number How many of the above statements are not correct? a) None of the statement b) Only one statement c) Two statements d) All three statements 7. Kavya started typing from 1. After typing the largest prime number before 40, she gave the balance work to Kavitha. If Kavitha typed a total of 187 digits, what is the last number typed by Kavitha? a) 116 b) 118 c) 120 d) 122 Loading … Related
