The least number which should be added to 1920 so that the sum is exactly divisible by 5,6,4 and 3 is :	Choose the correct option:
A) 3  B) 13  C) 23  D) 33  E) 28
Solution   L.C.M. of 5,6,4 and 3 = 60. on dividing 1920 by 60, the remainder is 32.   ∴ Number to be added = (60-32)= 
<gadget id="calculator">(60-32)</gadget>
<output>28</output>
28. Answer 28
<result>E</result>
The least number which should be added to 1920 so that the sum is exactly divisible by 5,6,4 and 3 is :