If the sum of two numbers is 45 and the H.C.F and L.C.M of these numbers are 3 and 100 respectively, then the sum of the reciprocal of the numbers is equal to:  Choices:
A) 103/300  B) 103/200  C) 112/300  D) 154/140  E) 100/300
Let the numbers be a and b.   Then, a + b = 45 and ab = 3*100= 
<gadget id="calculator">3*100</gadget>
<output>300</output>
300.   Required sum= 1/a + 1/b = (a + b)/ab = 103/300   103/300NSWER:103/300
<result>A</result>
If the sum of two numbers is 45 and the H.C.F and L.C.M of these numbers are 3 and 100 respectively, then the sum of the reciprocal of the numbers is equal to: