What is the value of prime number x? I. $$x^2 + x$$ is a two-digit number greater than 50 II. $$x^3$$ is a three digit number. ?->(Show Answer!)

1. What is the value of prime number x? I. $$x^2 + x$$ is a two-digit number greater than 50 II. $$x^3$$ is a three digit number.

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By: anil on 05 May 2019 02.29 am

Considering 1st statement alone, $$x^2 + x$$ is greater than 50, a two digit number and x is a prime number, then it has to be 7.
On the other hand, we cannot uniquely determine the value of x using statement B alone. Option a) is the correct answer.

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