Learning Math: Even and Odd Numbers

Mathematics Activity :
Even Numbers and Odd Numbers

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What is the smallest four-digit even number that can be formed using the digits 6, 7, 8 and 9 once only?
6798

1.	In how many ways can 48 be expressed as the product of two even numbers?


2.	Which is the 103rd even number after 118?


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


4.	What is the sum of the sixth, the seventh and the eighth even numbers after 70?


5.	Which is the 106th odd number after 292?


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


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

What is the smallest four-digit even number that can be formed using the digits 6, 7, 8 and 9 once only?
6798