The greatest number of four digits which is divisible by 10, 20, 25 and 60 is: Choose one:	A) 9000	B) 9300	C) 9400	D) 9600	E) 9700
Greatest number of 4-digits is 9999.   L.C.M. of 10, 20, 25 and 60 is 1500.   On dividing 9999 by 1500, the remainder is 999.   Required number  (9999 - 999)= 
<gadget id="calculator"> (9999 - 999)</gadget>
<output>9_000</output>
9000.   9000NSWER :9000
<result>A</result>
The greatest number of four digits which is divisible by 10, 20, 25 and 60 is: