Hello Avi2crackgmat,

We have to determine whether the product of 3p and 4 is greater than 20.

Let us consider 1)

It tells us that 5p>7.

Multiple both sides by 12/5. This would give us 12p>16.8. However, we cannot be sure of whether 12p>20 or not. It could equal to 21 or equal to 17 for all we know. Hence,INSUFFICIENT.

Let us consider statement 2).

It tells us that 3p-5>1

This implies that 3p>6. Therefore, 12p>24. Hence, we know for sure that 12p has to be greater than 20. Hence, SUFFICIENT.

Answer=B.

Hope this helps! Let me know in case of any further questions.

avi2crackgmat wrote:

Is the product of 3p and 4 greater than 20?

(1) 5p > 7

(2) 3p − 5 > 1

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Thanks

Kris

Instructor at Aspire4GMAT

Visit us at http://www.aspire4gmat.com

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