Learning Math: Even and Odd Numbers

Mathematics Activity :
Even Numbers and Odd Numbers

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Using each of the digits 0, 5, 7 once only, how many three-digit odd numbers can be formed?
2

1.	What is the sum of the 30th and 50th even numbers after 26?


2.	What is the difference between the 17th and the 21st even numbers coming after 250?


3.	Which of the following is the greatest even number: 2046, 2406, 2640, 2604?


4.	What is the greatest three-digit odd number that can be formed using the digits 6, 8 and 9 once only?


5.	What is the difference between the greatest four-digit even number and the smallest four-digit odd number?


6.	Using each of the digits 2, 3, 6 once only, how many three-digit even numbers can be formed?


7.	In which of the following numbers is the sum of the digits an even number: 9574, 8313, 7685, 6924?