Question

Direction: Study the following information carefully to answer the questions that follow.

Jimmy taught the concept of factors in her class, after which she decided to take a test to find out if the students were able to understand the concept properly. She prepared a test with five questions and gave it to her colleague John to verify the answers. John did not find any errors in the questions, but Jimmy was still not convinced. Help her reverify the answers to the five questions.

In how many ways can $250$ be represented as a product of two co-prime numbers?

• A. $2$
• B. $4$
• C. $8$
• D. $1$

Answer 1

The correct option is A $2$

$250=2\times 5^3$

Number of ways of representing $250$ as a product of two co-primes $=2^{2–1}=2$

Hence, option $C$ is the correct answer.