The least number of four digits which is divisible by 15, 25, 40 and 75 is:  Choices
A) 9000
B) 9400
C) 9600
D) 9800
E) 9700
Greatest number of 4 digits is 9999. L.C.M of 15, 25, 40 and 75 is 600.   On dividing 9999 by 600, the remainder is 399. Required number = 9999 - 399= 
<gadget id="calculator">9999 - 399</gadget>
<output>9_600</output>
9600   ANSWER:9600
<result>C</result>
The least number of four digits which is divisible by 15, 25, 40 and 75 is: