The least number, which when divided by 12, 15, 20 and 54 leaves in each case a remainder of 13 is:  Choices:
A) 448
B) 553
C) 542
D) 548
E) 560
Required number = (L.C.M. of 12, 15, 20, 54) + 13   = 540 + 13= 
<gadget id="calculator">540 + 13</gadget>
<output>553</output>
553.   answer :553
<result>B</result>
The least number, which when divided by 12, 15, 20 and 54 leaves in each case a remainder of 13 is: