Question

The sum of numbers from 300 to 700 which are divisible by 3 or 5 is?​

Answer 1

➯L.C.M of 3 and 5 is 15..

➯There difference of 300 and 700 is 400

➯400/15 = 17 numbers are there

➯the numbers are 300, 315,330....upto....690

➯The sum of the first n terms in an arithmetic

sequence is (n/2)⋅(a₁+aₙ).

= 17/2 (300+690)

= 8415.....

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Answer 2

Answer:

please refer the attachment✅✅

Step-by-step explanation:

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