How many three-digit numbers are divisible by 7?
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The greatest 3-digit number divisible by 7 is 994. Therefore the three-digit numbers are 105, 112, 119, 126,…………..994. This is an Arithmetic progression with first term a=105, common difference d = 7, last term =994. Hence there are 128 three-digit numbers divisible by 7.
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Answer:
1.-343 divisible by 7.
2.-336 divisible by 7.
and 3.-329 divisible by 7.
Step-by-step explanation:
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