The least number which should be added to 2400 so that the sum is exactly divisible by 5,6,4 and 3 is : Choose the correct answer:
A) 3
B) 13
C) 20
D) 33
E) 43
Solution   L.C.M. of 5,6,4 and 3 = 60. on dividing 2400 by 60, the remainder is 40.   ∴ Number to be added = (60-40)= 
<gadget id="calculator">(60-40)</gadget>
<output>20</output>
20. Answer 20
<result>C</result>
The least number which should be added to 2400 so that the sum is exactly divisible by 5,6,4 and 3 is :