Find the sum of integers between 200 and 500 that are divisible by 3
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Answer:
Sum of integers between 200 and 500 that are divisible by 3 are = 30753.
Step-by-step explanation:
Number between 200 and 500, divisible by 3 are = 201, 204, 207, 210...............498.
therefore, a = 201, d = 3 and n = 100
=> S = 1/2 a( n + 1 )d
= 1/2 201 ( 100 + 1 )3
= 1/2 201 ( 300 + 3 )
= 201 ( 150 + 3 )
= 201 × 153
= 30,753
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