by which of the following numbers is the difference between the sum of prime numbers and the sum of the composite numbers from 41 to 50 divisible
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we know that prime numbers between 41 and 50 will be 43 and 47.
So 43 + 47 = 90
Also composite numbers between 41 to 50 will be
42 + 44 + 45 + 46 + 48 + 49 = 274
So , the difference will be 274 – 90 = 184
Now , 184 is divisible by 4. So 184 / 4 = 46.
Hence , 4 is the number.
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