Question

xii) Ravi wrote two digits of a 3-digit number on the blackboard as shown below. 1 ? 1 Find the missing digit if 11 is its factor. a) 2 b) 4 c) 6 d) 8

Answer 1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

⇒  The number which Ravi wrote on black board = 1?3

⇒  Factors of given number = 11 and 13.

∴  The number wrote on black board = 11×13=143

∴  The missing digit is 4.