How many natural numbers are there between 250 and 1000 which are exactly divisible by 3: *
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Total natural numbers = 999 - 250 = 749
So, 250 is not divisible by 3
251 is also not divisible
252 is now divisible
From here, to 999 is the last number which is divisible by 3
So, numbers in range 250 - 999 = 999 - 249 = 750
Numbers divisble by 3 = 750 ÷ 3 - 1
= 250 - 1
= 249 numbers
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