What is the sum of all positive integers up to 1000, which are divisivle by 5 and not divisible by 2?
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Answer:
50000
Step-by-step explanation:
from 1 to 1000
there are 100 number divisible by only 5
from 1 to 100{sum of number divisible by 5}= 500
101 to 200{sum of number divisible by 5}= 1500
201 to 300{sum of number divisible by 5}= 2500
301 to 400{sum of number divisible by 5}= 3500
401 to 500{sum of number divisible by 5}= 4500
501 to 600{sum of number divisible by 5}= 5500
601 to 700{sum of number divisible by 5}= 6500
701 to 800{sum of number divisible by 5}= 7500
801 to 900{sum of number divisible by 5}= 8500
901 to 1000{sum of number divisible by 5}= 9500
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