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Find the sum of integers from 1 to 10...

Find the sum of integers from 1 to 100 that are divisible by 2 or 5.

A

3000

B

3050

C

3600

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Sum of integers divisible by `2 = 50/2[2+100] = 2550`
Sum of integers divisible by `5 = 20/2 [5+100] = 1050`
Sum of integers divisible by `10 = 10/2[10+100] =550`
`rArr` Sum of integers divisible by 2,5 is = (2550 + 1050) -550 = 3050
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