The least number which should be added to 1800 so that the sum is exactly divisible by 5,6,4 and 3 is :	Answers:
A) 3  B) 13  C) 23  D) 30  E) 43
Solution   L.C.M. of 5,6,4 and 3 = 60. on dividing 1800 by 60, the remainder is 30.   ∴ Number to be added = (60-30)= 
<gadget id="calculator">(60-30)</gadget>
<output>30</output>
30. Answer 30
<result>D</result>
The least number which should be added to 1800 so that the sum is exactly divisible by 5,6,4 and 3 is :