find the number which is nearest to 3105 and is exactly divisible by 21? Choose one:
A) 3100  B) 2500  C) 2545  D) 5800  E) 3108
<gadget id="calculator">3_105 % 21</gadget>
<output>18</output>

<gadget id="calculator">21 - 18</gadget>
<output>3</output>

<gadget id="calculator">3_105 + 3</gadget>
<output>3_108</output>

<result>E</result>
find the number which is nearest to 3105 and is exactly divisible by 21?
add(3105, subtract(21, reminder(3105, 21)))
on dividing 3105 by 21 , we get 18 as remainder . number to be added to 3105 = ( 21 - 18 ) - 3 . hence , required number = 3105 + 3 = 3108 . answer e