Math, asked by FIRING, 22 days ago

find the sum of all three digit no. divisible by 3 and 7. Note: Both 3 and 7​

Answers

Answered by prachi1590
0

Answer:

Substitute a = 105, l = 994 and d = 7. So, number of 3 digit numbers divisible by 7 is 128. Substitute a = 105, d = 7, l = 994 and n = 128. So, the sum of all 3 digit numbers divisible by 7 is 70336.

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