how many three diget number divisible by 7
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Answer:
128 three digit numbers
Step-by-step explanation:
105,112,119.....994
The first 3 digit number which is divisible by 7 is 105.
The last 3 digit number divisible by 7 is 994
Using the formula an = a + (n-1)d, we have
994 = 105+(n-1)7
7(n-1) = 889
n-1 = 127
n = 128.
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