6A- REVIEW CHAPTER 1

A sequence is formed by writing the word MONKEY over and over again. What is the 70^th letter in this sequence?

The word FLOWER is copied 10 times. Each letter in this sequence is painted follow this pattern: blue, red, yellow, blue, red, yellow, …

What color of the 10th “O” ?

 

In the Fibonacci sequence below, from the second number, the next number is found by adding up the two numbers before it.

1, 1, 2, 3, 5, 8, ...

Is the 46^thnumber even or odd?

How many even numbers are there from 120 to 550?

How many ways can the letters of YOU be arranged?

How many ways can the letters of LUCKY be arranged?

Circles are used to build the following sequence of drawings.

How many circles are in the 20^th drawing?

How many 4 distinct digits numbers are there?

From the set of digits {0, 1, 2, 3}

How many 2-digit integers can be formed?

From the set of digits {0, 1, 2, 3}

How many even 2-digit integers can be formed?