The greatest number of four digits which is divisible by 21, 35, 49 and 63	Pick one
A) 6612
B) 6615
C) 6610
D) 6611
E) 5671
Explanation:   The greatest four digit number is 9999   L.C.M of 21, 35, 49 and 63 is 6615.   On dividing 9999by 6615, the remainder is 3384   Required number is 9999 - 3384 is 6615   Answer: Option 6615
<result>B</result>
The greatest number of four digits which is divisible by 21, 35, 49 and 63