Question

Q.1)Find the sum of all natural numbers lying between 100 and 1000, which are multiples of 5.
Q.2)Find the sum of odd integers from 1 to 2001.

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Answer 1

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Q.1)Find the sum of all natural numbers lying between 100 and 1000, which are multiples of 5.

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The sum of all natural numbers lying between 100 and 1000, which are multiples of 5, is 98450.

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Q.2)Find the sum of odd integers from 1 to 2001.

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The sum of odd numbers from 1 to 2001 is 1002001.