# What is quantitative and mathematical reasoning?

By one definition, quantitative reasoning (QR) is the application of basic mathematics skills, such as algebra, to the analysis and interpretation of real-world quantitative information in the context of a discipline or an interdisciplinary problem to draw conclusions that are relevant to students in their daily lives.

Accordingly, are you allowed to use a calculator on the GMAT?

You are not allowed to bring your own calculator for the exam. A calculator will be provided for use during the Integrated Reasoning section only. Calculators are not permitted during the Quantitative section. You will be provided with note boards and markers to work out your calculations on the Quantitative section.

How many questions are on the GMAT math?

The Quantitative section has two types of multiple choice questions: data sufficiency and problem solving. Follow the links to explore these types of math question. There are 37 questions to be solved in 75 minutes.

What is the units digit of?

"Unity" means one, so the units digit is the digit in the one's column. Eg. for the number 138, the 1 is in the hundreds column, the 3 is in the tens column and the 8 is in the one's column, so 8 is the unit digit of 138.

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