2013年4月gre数学考试之Sequence of Numbers

Sequence of Numbers

A sequence is a set of numbers that follow a fixed pattern.The fixed pattern can be expressed by an equation or by a property.

Example:

A set of consecutive integers: 1,2,3,4,5(Fixed gap)

A set of consecutive even numbers:4,6,8,10,12 (Fixed gap)

A set of consecutive prime: 2,3,5,7,11(Fixed gap)

A set of consecutive power of 2:4,8,16,32,64(Fixed gap)

Remember:

A sequence can be in ascending or desceding order.