Question

Find AB and C in the subtraction 73A BC9 = 348​

Answer 1

Answer:

373a is divisible by 9.

⇒  3+7+3+a=13+a should be divisible by 9.

⇒  a = 5

473b is divisible by 11.

⇒  4 + 3 - 7 - b = 0 or 11 

⇒  b = 0 or 11

∴  b = 0

371c is divisible by 6.

⇒  371c is divisible by both 2 and 3.

⇒  c is an even number and 3 + 7 + 1 + c is divisible by 3.

⇒  c = 0, 2, 4, 6, 8 and 11 + c is divisible by 3.

⇒  c = 4

∴  a + b + c = 5 + 0 + 4 = 9