Question

how many terms of 3 digit are divisible by 11​

Answer 1

Answer:

81

Step-by-step explanation:

=> 81 = n . So , number of 3 digit numbers divisible by 11 is 81 . Now , the middlemost term is the 41th term .

Answer 2

Step-by-step explanation:

term of 3 digit are divisible by 11

so

the terms are110, 121, 143,154""""""""'"990

here

1st term=110

difference=11

last term=990

so,

according to the formula of nterm

Tn=a+(n-1)d

990=110+(n-1)11

990-110=11n-11

11n=891

n=880/11

n=81

hence the required number is 81

I hope it will be helpful