Question

How many three digits number multiples of 7?
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Answer 1

Answer:

there are 17 three digit number which multiples of 7!!

hope it helps you

Answer 2

Answer:

no. of three digit multiples of 7 are 128

Step-by-step explanation:

a=105(1st 3 digit multiple)

$a_{n} =$994(last 3 digit multiple)

d=7

$a_{n}$=a+(n-1)d

994=105+(n-1)7

994-105=(n-1)7

889=(n-1)7

889/7=n-1

127+1=n

n=128