Ravi wrote two digits of a 3-digit number on the blackboard as shown.
Find the missing digit, if it has 11 and 13 as factors?

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Solution

The correct option is A 4
$\Rightarrow$ The number which Ravi wrote on black board = $1 ? 3$
$\Rightarrow$ Factors of given number = $11$ and $13$ .
$∴$ The number wrote on black board = $11 \times 13 = 143$
$∴$ The missing digit is $4$ .

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Ravi wrote two digits of a 3-digit number on the blackboard as shown.Find the missing digit, if it has 11 and 13 as factors?

The correct option is A 4⇒ 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.

Ravi wrote two digits of a 3-digit number on the blackboard as shown.
Find the missing digit, if it has 11 and 13 as factors?

The correct option is A 4
$\Rightarrow$ The number which Ravi wrote on black board = $1 ? 3$
$\Rightarrow$ Factors of given number = $11$ and $13$ .
$∴$ The number wrote on black board = $11 \times 13 = 143$
$∴$ The missing digit is $4$ .