Free GMAT Practice Question

Question 1 of 1
ID: GMAT-DI-DS-028
Section: Data Insights - Data Sufficiency (DS)
Topic: Number Properties
Difficulty level: Hard

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If $a$ and $b$ are positive integers, is $6^{a}\cdot 10^{b}$ the square of an integer?

  1. $a+b=12$
  2. $ab$ is odd
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