Question

Samhir writes down all of the odd numbers between 500 and 700 that are divisible by both 7 and 9. What is the sum of the numbers Samhir writes?

Answer 1

So, there are 100 numbers that could be listed for odd numbers, the following are both divisible by 7 and 9(using guidelines to see if they are divisible):
 567,693
567 + 693 = 1260