Learning Math: Even and Odd Numbers

Mathematics Activity :
Even Numbers and Odd Numbers

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Using each of the digits 2, 3, 6 once only, how many three-digit even numbers can be formed?
4

1.	If the sum of two odd numbers is divided by 2, what will be the remainder?


2.	What should be added to 197 to obtain the third odd number serially after it?


3.	Which is the 14th odd number after 192?


4.	What is the sum of the sixth, the seventh, the eighth and the ninth odd numbers after 30?


5.	Which of the following is the smallest odd number: 989, 567, 456, 322?


6.	How many three-digit odd numbers are there?


7.	What is the difference between the sum of the even numbers and the sum of the odd numbers between 20 and 31?