Find the PatternPro Problems > Math > Number and Quantity > Number Theory > Patterns
Find the Pattern
Given the following table of x and y values, find a pattern relating the two numbers, and then answer the question below.
If all x values are three digit numbers, what is the difference between the largest possible y and the smallest possible y?
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Predict the value of y in the following chart:
Given the following sequence, what are the next two letters in the sequence?
D, H, L, P, S,...
Given the following sequence of compass directions, state the next two directions in the sequence and explain your answer.
North, East, West, South, South, …
A triangular number is a number which can be represented by a set of dots drawn in a triangular pattern. For example, ten is a triangular number because it can be displayed like this:
♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦
Thus, the first few triangular numbers are 1, 3, 6, 10, and 15. Find the 200th triangular number.