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GREQuantitative ReasoningArithmetic
Level 3 Trap Drill
Can you avoid the examiner's trap?Select an option to evaluate
If x is a positive integer, what is the greatest common divisor of x and x + 1?
Full Curriculum Drill

Practice More GRE Arithmetic Questions

Take the interactive diagnostic drill with real-time distractor analysis, Desmos calculator, and SM-2 spaced repetition.

Start Topic Drill

More Arithmetic Questions in GRE

Tier 2GRE

Quantity A: The standard deviation of the numbers {12, 14, 16, 18, 20} Quantity B: The standard deviation of ...

Inspect distractor trap
Tier 2GRE

If n is an integer greater than 1, and the sum of all distinct prime factors of n is 12, what is the least pos...

Inspect distractor trap
Tier 1GRE

What is the remainder when 7^85 is divided by 5?...

Inspect distractor trap
Tier 3GRE

Quantity A: The number of trailing zeros in the decimal representation of 100! Quantity B: 24...

Inspect distractor trap
Tier 2GRE

A merchant bought an item at a cost of C dollars and marked it up by 40%. During a clearance sale, she discoun...

Inspect distractor trap
Tier 2GRE

Quantity A: The average (arithmetic mean) of all integers from -50 to 52, inclusive Quantity B: 1...

Inspect distractor trap