Math, asked by arushi876, 1 year ago

how many three digit no are divisible by 7 ?​

Answers

Answered by abhibrainlyin28
2

Answer:

102,105 ,108 .........to 999 are the digits which are divisible by 3.

Answered by anju6679
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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