Question

A four – digit number aabb is divisible by 55. Then possible value (s) of b is /are a) 0 and 2 b) 2 and 5 c) 0 and 5 d) 7

Answer 1

my answer is option c] o and 5

Answer 2

Possible values of b are 0 & 5  if A four – digit number aabb is divisible by 55

Step-by-step explanation:

A four – digit number aabb is divisible by 55

55 = 5 * 11

As any number divisible by 5 must end with 0 & 5

hence  possible values of b are 0 & 5

few examples

55 * 20 = 1100

55 * 21 = 1155

55 * 40 = 2200

55 * 41 = 2255

55*60  = 3300

55*61 = 3355

55*80 = 4400

55*81  =  4455

55*100 = 5500

55*180 = 9900

55*181  = 9955

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