Civil Services Examination · प्रश्न 64
Consider the following statements: I. There exists a natural number which when increased by 50% can have its number of factors unchanged. II. There exists a natural number which when increased by 150% can have its number of factors unchanged. Which of the statements given above is/are correct?
उत्तर देखें और व्याख्या
उत्तर: (C) Both I and II
व्याख्या
2 increased by 50% becomes 3, and 2 increased by 150% becomes 5; all are primes with 2 factors each. (Answer as per the official UPSC answer key.)