Question

how many numbers between 100 to 1000 which ate divisible by 11

Answer 1

—————♦————
Hello friend ,here is your answer
—————♦————

first number 110
and last number 990 which divisible by 11.

so here

110, 121,132.............,990 →A.P.

now number of terms in A.p.

=> Tn = a + (n-1)d

=> 990= 110 +(n-1)11

=> 990 - 110 = (n-1)11

=> 880 = (n-1) 11

=> n-1 = 80

=> n = 80+1
♦ ————♦
| n = 81
♦————♦
————————
81 Numbers between 100 to 1000 which are divisible by 11.

————————————

♣ hope it can help you ♣

,,,,,,,,,,,,,,,,,,,,———————✌✌✌