How many three digit no. Are divisible by 7?
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Answered by
0
128 the correct answer . least 105 . greatest 994
Answered by
1
Answer:
128
Step-by-step explanation:
all 3-digit numbers divisible by 3 are
105,112,119,....,994
a=105 d=7 an=994
an=a+(n-1)d
994=105+(n-1)7
994-105=(n-1)7
(889/7)=n-1
127+1=n
n=128
Therefore there are 128 3-digit terms divisible by 7
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