Question

please answer kardo​

Answer 1

Answer:

$\large \green{ \sf \: Answer : - }$

$\sf \: Divisiblity \: of \: 3 : - sum \: of \: the \: the \: digits$

$\sf be \: divisible \: by \: 3 \: the \: number \: is \: divisible \: by 3\:$

$\sf \: a) \: 45 x3$

$\sf \: sum \: of \: digit \: = 4 + 5 + x + 3$

$\sf = 12 + x$

$\sf \: here \: 12 \: is \: divisible \: by \: 3 \: hence \: x \: must \: be \: 0$

$\sf \: a) \green{\boxed{ x = 0}}$

$b)$

$\sf \: 4678x$

$\sf \: sum \: of \: digits = 4 + 6 + 7 + 8 + x$

$\sf \: 25 + x$

$\sf \: here \: 25 \: is \: not \: divisibleby \: 3 \: so \: add \: 3 \: then$

$\sf \: it \: \: become \: 27 \: and \: divisibe \: by \: 3$

$\sf \: hence \: \green{ \boxed{ x = 3}}$

Answer 2

Step-by-step explanation:

According to the Divisibility rule of 3, we know that the the of the digits of no. must be DIVISIBLE by 3 then only the numbere will be DIVISIBLE by 3.

a) 4 + 5 + x + 3

= 12 + x

So, we don't need to add any no. here because 12 is DIVISIBLE by 3, so the value of x = 0

b) 4 + 6+7+8+x

= 25 +x

So, to make the no. DIVISIBLE by 3, the value of x will be 2