Question

how many 3 digit numbers are there, which leave a remainder 3 on division by 7 ?​

Answer 1

ANSWER-

129 number ..

When a three digit number divided by 7 and leave 3 as remainder are Hence 129 number are divided by 7 which leaves remainder is 3...

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Answer 2

Answer:

129

Step-by-step explanation:

for it we can apply A.P.'s formula - Tn=a + (n-1) d

here a= 101 because it's least no. which when divided by 7 leaves 3 as remainder.

Tn =997

d=7