CSATNumber System & SeriesDivisibility Divisors and Remainder2025

Consider the following statements : 1. There exists a natural number which when increased by 50% can have its number of factors unchanged. 2. 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?

A

I only

B

II only

C

Both I and II

D

Neither I nor II

Correct Answer: Option C

Explanation

Let's solve this using the 'Percentage to Fraction' technique [15] combined with 'Small Number Probing' [76]. **Analyzing Statement 1:** - 'Increas

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