Mr. Bhaskar is on tour and he has Rs. 360 for his expenses. If he exceeds his tour by 4 days, he must cut down his daily expenses by Rs. 3. for how many days is Mr. Bhaskar on tour?  Choose one.
A) 20	B) 10	C) 15	D) 18	E) None of them
Suppose Mr. Bhaskar is on tour for x days. Then,   360/x - 360/x+4 = 3 &lt;=&gt; 1/x - 1/x+4 = 1&lt;=&gt; x(x+4)   = 4 x 120 ( +4)= 
<gadget id="calculator">( +4)</gadget>
<output>4</output>
4 x 120=480   &lt;=&gt; x2 +4x –480 = 0 &lt;=&gt; (x+24) (x-20) = 0 &lt;=&gt; x =20.   Hence Mr. Bhaskar is on tour for 20 days.   20nswer is 20.
<result>A</result>
Mr. Bhaskar is on tour and he has Rs. 360 for his expenses. If he exceeds his tour by 4 days, he must cut down his daily expenses by Rs. 3. for how many days is Mr. Bhaskar on tour?